#99ABFF
Closest named color: Carolina Blue (#8AB8FE). oklch(76.1% 0.123 273.9), rgb(153, 171, 255).
Aa
Black text reads best on this color (9.62:1).
About this color
#99ABFF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.123 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.037 away. Black text reads best on it, at 9.62:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.62:1 |
| White text | 2.18:1 |
Values
| HEX | #99ABFF |
| RGB | rgb(153, 171, 255) |
| HSL | hsl(229, 100%, 80%) |
| OKLCH | oklch(76.1% 0.123 273.9) |
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 #99ABFF | 2.18:1 | Fails | Lc -47.6 | Large or bold text, headings |
| Black text on #99ABFF | 9.62:1 | AAA | Lc 61.1 | Content text, not long reading |
| #99ABFF text on white | 2.18:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #99ABFF text on black | 9.62:1 | AAA | Lc -59.3 | 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)
#99ABFF
oklch(76.1% 0.123 273.9)
-
Step 400
400
#8497FF
oklch(70.7% 0.153 274)
-
Step 500
500
#6878FF
oklch(63.1% 0.199 274.1)
-
Step 600
600
#5054FF
oklch(55.6% 0.246 273.9)
-
Step 700
700
#4239EC
oklch(49.2% 0.254 274)
-
Step 800
800
#3532BE
oklch(42.7% 0.209 273.9)
-
Step 900
900
#2C2F96
oklch(37.7% 0.164 274)
-
Step 950
950
#191D58
oklch(27% 0.105 274)
#99ABFF 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) | #8EB4FF | 0.026 |
| Deuteranopia (no green cones) | #86ACFD | 0.023 |
| Tritanopia (no blue cones) | #79BCC9 | 0.110 |
| Achromatopsia (no color) | #AFAFAF | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99ABFF
#99ABFF
oklch(76.1% 0.123 273.9)
- #CBB04C
#CBB04C
oklch(76.2% 0.123 94.2)
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 #99ABFF, closest first.
No curated palette has a color within ΔE 0.04 of #99ABFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.037
- Periwinkle Blue #8F99FB ΔE 0.049
- Pastel Blue #A2BFFE ΔE 0.056
- Pastel Purple #CAA0FF ΔE 0.071
- Baby Purple #CA9BF7 ΔE 0.075
- Pale Violet #CEAEFA ΔE 0.075
- Lilac #CEA2FD ΔE 0.075
- Perrywinkle #8F8CE7 ΔE 0.083
Use #99ABFF 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.