#99CBF1
Closest named color: Light Sky Blue (#87CEFA). oklch(82% 0.075 241.6), rgb(153, 203, 241).
Aa
Black text reads best on this color (12.16:1).
About this color
#99CBF1 is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.075 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.021 away. Black text reads best on it, at 12.16:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.16:1 |
| White text | 1.72:1 |
Values
| HEX | #99CBF1 |
| RGB | rgb(153, 203, 241) |
| HSL | hsl(206, 76%, 77%) |
| OKLCH | oklch(82% 0.075 241.6) |
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 #99CBF1 | 1.72:1 | Fails | Lc -35.0 | Non-text elements, placeholder text |
| Black text on #99CBF1 | 12.16:1 | AAA | Lc 72.7 | Content text, not long reading |
| #99CBF1 text on white | 1.72:1 | Fails | Lc 31.1 | Non-text elements, placeholder text |
| #99CBF1 text on black | 12.16:1 | AAA | Lc -71.6 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF7
oklch(93.6% 0.021 241.4)
-
Step 200
200
#C2DDF3
oklch(88.5% 0.042 242.7)
-
Step 300
300 (this color)
#99CBF1
oklch(82% 0.075 241.6)
-
Step 400
400
#54A9E4
oklch(70.7% 0.119 241.5)
-
Step 500
500
#0092DA
oklch(63.1% 0.148 241.4)
-
Step 600
600
#007AB8
oklch(55.5% 0.131 241.7)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#002942
oklch(26.9% 0.063 241.6)
#99CBF1 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) | #BBCAF3 | 0.041 |
| Deuteranopia (no green cones) | #AFC1F0 | 0.035 |
| Tritanopia (no blue cones) | #7BD4D7 | 0.060 |
| Achromatopsia (no color) | #C5C5C5 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CBF1
#99CBF1
oklch(82% 0.075 241.6)
- #E8BA93
#E8BA93
oklch(82% 0.074 61.8)
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 #99CBF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.021
- Baby Blue #A2CFFE ΔE 0.023
- Sky Blue #87CEEB ΔE 0.023
- Sky #82CAFC ΔE 0.028
- Lightblue #7BC8F6 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.039
Use #99CBF1 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.