#99AAFA
Closest named color: Carolina Blue (#8AB8FE). oklch(75.6% 0.117 274.1), rgb(153, 170, 250).
Aa
Black text reads best on this color (9.48:1).
About this color
#99AAFA is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.117 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.038 away. Black text reads best on it, at 9.48:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.48:1 |
| White text | 2.21:1 |
Values
| HEX | #99AAFA |
| RGB | rgb(153, 170, 250) |
| HSL | hsl(229, 91%, 79%) |
| OKLCH | oklch(75.6% 0.117 274.1) |
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 #99AAFA | 2.21:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #99AAFA | 9.48:1 | AAA | Lc 60.4 | Content text, not long reading |
| #99AAFA text on white | 2.21:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #99AAFA text on black | 9.48:1 | AAA | Lc -58.6 | 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 400.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F5
oklch(88.5% 0.041 273.3)
-
Step 300
300
#B2BEF0
oklch(81% 0.072 274.2)
-
Step 400
400 (this color)
#99AAFA
oklch(75.6% 0.117 274.1)
-
Step 500
500
#6F7FE3
oklch(63% 0.15 274.4)
-
Step 600
600
#5867D0
oklch(55.6% 0.161 273.9)
-
Step 700
700
#4955B5
oklch(49.2% 0.151 274.1)
-
Step 800
800
#3C4692
oklch(42.8% 0.124 274.3)
-
Step 900
900
#323B74
oklch(37.5% 0.097 274)
-
Step 950
950
#1D2344
oklch(26.9% 0.062 273.8)
#99AAFA 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) | #8FB2FD | 0.022 |
| Deuteranopia (no green cones) | #88ABF8 | 0.021 |
| Tritanopia (no blue cones) | #7BBAC7 | 0.104 |
| Achromatopsia (no color) | #AEAEAE | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AAFA
#99AAFA
oklch(75.6% 0.117 274.1)
- #C8AE51
#C8AE51
oklch(75.5% 0.117 93.8)
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 #99AAFA, closest first.
No curated palette has a color within ΔE 0.04 of #99AAFA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.038
- Periwinkle Blue #8F99FB ΔE 0.048
- Pastel Blue #A2BFFE ΔE 0.057
- Pastel Purple #CAA0FF ΔE 0.072
- Baby Purple #CA9BF7 ΔE 0.075
- Pale Violet #CEAEFA ΔE 0.076
- Lilac #CEA2FD ΔE 0.076
- Perrywinkle #8F8CE7 ΔE 0.080
Use #99AAFA 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.