#99ACFF
Closest named color: Carolina Blue (#8AB8FE). oklch(76.3% 0.121 273.4), rgb(153, 172, 255).
Aa
Black text reads best on this color (9.69:1).
About this color
#99ACFF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.121 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.035 away. Black text reads best on it, at 9.69:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.69:1 |
| White text | 2.16:1 |
Values
| HEX | #99ACFF |
| RGB | rgb(153, 172, 255) |
| HSL | hsl(229, 100%, 80%) |
| OKLCH | oklch(76.3% 0.121 273.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #99ACFF | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #99ACFF | 9.69:1 | AAA | Lc 61.5 | Content text, not long reading |
| #99ACFF text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #99ACFF text on black | 9.69:1 | AAA | Lc -59.7 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CDD7FF
oklch(88.4% 0.056 274.2)
-
Step 300
300 (this color)
#99ACFF
oklch(76.3% 0.121 273.4)
-
Step 400
400
#8397FF
oklch(70.7% 0.153 273.6)
-
Step 500
500
#6679FF
oklch(63.1% 0.198 273.3)
-
Step 600
600
#4E55FF
oklch(55.6% 0.246 273.3)
-
Step 700
700
#403BEA
oklch(49.1% 0.25 273.4)
-
Step 800
800
#3433BD
oklch(42.7% 0.207 273.5)
-
Step 900
900
#2B3095
oklch(37.7% 0.162 273.4)
-
Step 950
950
#191E57
oklch(27.1% 0.102 273.6)
#99ACFF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #90B5FF | 0.025 |
| Deuteranopia (no green cones) | #87ACFD | 0.022 |
| Tritanopia (no blue cones) | #78BDCA | 0.109 |
| Achromatopsia (no color) | #B0B0B0 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99ACFF
#99ACFF
oklch(76.3% 0.121 273.4)
- #CCB04E
#CCB04E
oklch(76.3% 0.121 93.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99ACFF, closest first.
No curated palette has a color within ΔE 0.04 of #99ACFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.035
- Periwinkle Blue #8F99FB ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.053
- Pastel Purple #CAA0FF ΔE 0.072
- Pale Violet #CEAEFA ΔE 0.074
- Lilac #CEA2FD ΔE 0.076
- Baby Purple #CA9BF7 ΔE 0.076
- Sky #82CAFC ΔE 0.082
Use #99ACFF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.