#99CFFA
Closest named color: Baby Blue (#A2CFFE). oklch(83.2% 0.083 243), rgb(153, 207, 250).
Aa
Black text reads best on this color (12.66:1).
About this color
#99CFFA is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.083 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.012 away. Black text reads best on it, at 12.66:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.66:1 |
| White text | 1.65:1 |
Values
| HEX | #99CFFA |
| RGB | rgb(153, 207, 250) |
| HSL | hsl(207, 91%, 79%) |
| OKLCH | oklch(83.2% 0.083 243) |
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 #99CFFA | 1.65:1 | Fails | Lc -32.7 | Non-text elements, placeholder text |
| Black text on #99CFFA | 12.66:1 | AAA | Lc 74.8 | Content text, not long reading |
| #99CFFA text on white | 1.65:1 | Fails | Lc 29.0 | Dividers and decoration only |
| #99CFFA text on black | 12.66:1 | AAA | Lc -73.9 | Content text, not long reading |
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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DDECF9
oklch(93.6% 0.024 244.1)
-
Step 200
200
#C0DDF6
oklch(88.4% 0.046 244.3)
-
Step 300
300 (this color)
#99CFFA
oklch(83.2% 0.083 243)
-
Step 400
400
#4BA9EC
oklch(70.7% 0.132 242.9)
-
Step 500
500
#0091DD
oklch(63.1% 0.152 242.9)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466E
oklch(37.8% 0.091 242.8)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#99CFFA 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) | #BDCFFC | 0.043 |
| Deuteranopia (no green cones) | #B0C4F9 | 0.037 |
| Tritanopia (no blue cones) | #76D9DD | 0.067 |
| Achromatopsia (no color) | #C9C9C9 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CFFA
#99CFFA
oklch(83.2% 0.083 243)
- #EFBD90
#EFBD90
oklch(83.3% 0.083 63.3)
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 #99CFFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.012
- Light Sky Blue #87CEFA ΔE 0.019
- Sky #82CAFC ΔE 0.029
- Sky Blue #87CEEB ΔE 0.030
- Lightblue #7BC8F6 ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.046
Use #99CFFA 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.