#99CAFF
Closest named color: Baby Blue (#A2CFFE). oklch(82.4% 0.091 250.9), rgb(153, 202, 255).
Aa
Black text reads best on this color (12.24:1).
About this color
#99CAFF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.091 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.018 away. Black text reads best on it, at 12.24:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.24:1 |
| White text | 1.71:1 |
Values
| HEX | #99CAFF |
| RGB | rgb(153, 202, 255) |
| HSL | hsl(211, 100%, 80%) |
| OKLCH | oklch(82.4% 0.091 250.9) |
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 #99CAFF | 1.71:1 | Fails | Lc -34.6 | Non-text elements, placeholder text |
| Black text on #99CAFF | 12.24:1 | AAA | Lc 73.1 | Content text, not long reading |
| #99CAFF text on white | 1.71:1 | Fails | Lc 30.8 | Non-text elements, placeholder text |
| #99CAFF text on black | 12.24:1 | AAA | Lc -72.0 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200
#C1DCFA
oklch(88.4% 0.051 251.1)
-
Step 300
300 (this color)
#99CAFF
oklch(82.4% 0.091 250.9)
-
Step 400
400
#53A5F8
oklch(70.7% 0.146 250.9)
-
Step 500
500
#008BF3
oklch(63.1% 0.184 251.1)
-
Step 600
600
#0075CD
oklch(55.6% 0.161 250.9)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#004379
oklch(37.8% 0.109 250.7)
-
Step 950
950
#01274A
oklch(27% 0.077 251)
#99CAFF 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) | #B6CBFF | 0.035 |
| Deuteranopia (no green cones) | #A9C1FE | 0.028 |
| Tritanopia (no blue cones) | #74D6DC | 0.078 |
| Achromatopsia (no color) | #C6C6C6 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CAFF
#99CAFF
oklch(82.4% 0.091 250.9)
- #EBBC83
#EBBC83
oklch(82.4% 0.091 71.4)
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 #99CAFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.018
- Light Sky Blue #87CEFA ΔE 0.023
- Sky #82CAFC ΔE 0.025
- Pastel Blue #A2BFFE ΔE 0.029
- Lightblue #7BC8F6 ΔE 0.035
- Sky Blue #87CEEB ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.050
Use #99CAFF 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.