#99D3FF
Closest named color: Baby Blue (#A2CFFE). oklch(84.3% 0.086 241.7), rgb(153, 211, 255).
Aa
Black text reads best on this color (13.11:1).
About this color
#99D3FF is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.086 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.013 away. Black text reads best on it, at 13.11:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.11:1 |
| White text | 1.60:1 |
Values
| HEX | #99D3FF |
| RGB | rgb(153, 211, 255) |
| HSL | hsl(206, 100%, 80%) |
| OKLCH | oklch(84.3% 0.086 241.7) |
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 #99D3FF | 1.60:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #99D3FF | 13.11:1 | AAA | Lc 76.8 | Fine for body text |
| #99D3FF text on white | 1.60:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #99D3FF text on black | 13.11:1 | AAA | Lc -75.9 | Fine for body text |
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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DCECF9
oklch(93.5% 0.025 242.3)
-
Step 200
200
#BEDEF6
oklch(88.5% 0.047 240.5)
-
Step 300
300 (this color)
#99D3FF
oklch(84.3% 0.086 241.7)
-
Step 400
400
#42AAEE
oklch(70.8% 0.137 241.4)
-
Step 500
500
#0092DB
oklch(63.2% 0.149 241.7)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
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)
#99D3FF 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) | #C0D2FF | 0.045 |
| Deuteranopia (no green cones) | #B3C8FE | 0.039 |
| Tritanopia (no blue cones) | #73DEE1 | 0.070 |
| Achromatopsia (no color) | #CCCCCC | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99D3FF
#99D3FF
oklch(84.3% 0.086 241.7)
- #F5BF92
#F5BF92
oklch(84.3% 0.086 61.1)
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 #99D3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.013
- Light Sky Blue #87CEFA ΔE 0.025
- Sky #82CAFC ΔE 0.036
- Sky Blue #87CEEB ΔE 0.037
- Lightblue #7BC8F6 ΔE 0.046
- Light Blue #ADD8E6 ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.050
- Pastel Blue #A2BFFE ΔE 0.053
Use #99D3FF 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.