#99C8FF
Closest named color: Baby Blue (#A2CFFE). oklch(82% 0.093 252.8), rgb(153, 200, 255).
Aa
Black text reads best on this color (12.06:1).
About this color
#99C8FF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.093 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.023 away. Black text reads best on it, at 12.06:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.06:1 |
| White text | 1.74:1 |
Values
| HEX | #99C8FF |
| RGB | rgb(153, 200, 255) |
| HSL | hsl(212, 100%, 80%) |
| OKLCH | oklch(82% 0.093 252.8) |
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 #99C8FF | 1.74:1 | Fails | Lc -35.5 | Non-text elements, placeholder text |
| Black text on #99C8FF | 12.06:1 | AAA | Lc 72.2 | Content text, not long reading |
| #99C8FF text on white | 1.74:1 | Fails | Lc 31.6 | Non-text elements, placeholder text |
| #99C8FF text on black | 12.06:1 | AAA | Lc -71.1 | 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
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C2DCFB
oklch(88.5% 0.051 252.9)
-
Step 300
300 (this color)
#99C8FF
oklch(82% 0.093 252.8)
-
Step 400
400
#57A4FA
oklch(70.8% 0.148 252.8)
-
Step 500
500
#0D8AF7
oklch(63.2% 0.189 252.7)
-
Step 600
600
#0073D3
oklch(55.6% 0.171 252.9)
-
Step 700
700
#0061B2
oklch(49.2% 0.149 252.5)
-
Step 800
800
#004F94
oklch(42.8% 0.131 252.8)
-
Step 900
900
#00417C
oklch(37.6% 0.116 253)
-
Step 950
950
#03274B
oklch(27.1% 0.078 252.5)
#99C8FF 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) | #B3CAFF | 0.032 |
| Deuteranopia (no green cones) | #A7C0FE | 0.025 |
| Tritanopia (no blue cones) | #75D4DA | 0.080 |
| Achromatopsia (no color) | #C4C4C4 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99C8FF
#99C8FF
oklch(82% 0.093 252.8)
- #E9BB80
#E9BB80
oklch(82% 0.092 72.9)
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 #99C8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.023
- Pastel Blue #A2BFFE ΔE 0.024
- Sky #82CAFC ΔE 0.025
- Light Sky Blue #87CEFA ΔE 0.026
- Lightblue #7BC8F6 ΔE 0.035
- Sky Blue #87CEEB ΔE 0.042
- Carolina Blue #8AB8FE ΔE 0.048
- Light Periwinkle #C1C6FC ΔE 0.048
Use #99C8FF 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.