#ADD5FF
Closest named color: Baby Blue (#A2CFFE). oklch(85.9% 0.072 249.9), rgb(173, 213, 255).
Aa
Black text reads best on this color (13.73:1).
About this color
#ADD5FF is a light, moderately saturated blue. In OKLCH its lightness is 86%, its chroma 0.072 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.022 away. Black text reads best on it, at 13.73:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.73:1 |
| White text | 1.52:1 |
Values
| HEX | #ADD5FF |
| RGB | rgb(173, 213, 255) |
| HSL | hsl(211, 100%, 84%) |
| OKLCH | oklch(85.9% 0.072 249.9) |
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 #ADD5FF | 1.52:1 | Fails | Lc -27.7 | Dividers and decoration only |
| Black text on #ADD5FF | 13.73:1 | AAA | Lc 79.3 | Fine for body text |
| #ADD5FF text on white | 1.52:1 | Fails | Lc 24.5 | Dividers and decoration only |
| #ADD5FF text on black | 13.73:1 | AAA | Lc -78.7 | 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 200.
-
Step 50
50
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DDECFC
oklch(93.7% 0.027 249.9)
-
Step 200
200 (this color)
#ADD5FF
oklch(85.9% 0.072 249.9)
-
Step 300
300
#92C6FB
oklch(81% 0.093 249.5)
-
Step 400
400
#4EA5F9
oklch(70.6% 0.149 250.1)
-
Step 500
500
#008CEF
oklch(63% 0.178 249.9)
-
Step 600
600
#0076CA
oklch(55.7% 0.156 249.7)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#004377
oklch(37.7% 0.106 249.9)
-
Step 950
950
#00274A
oklch(26.9% 0.077 250.5)
#ADD5FF 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) | #C5D6FF | 0.030 |
| Deuteranopia (no green cones) | #BBCDFE | 0.025 |
| Tritanopia (no blue cones) | #94DFE3 | 0.062 |
| Achromatopsia (no color) | #D1D1D1 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD5FF
#ADD5FF
oklch(85.9% 0.072 249.9)
- #F0C99D
#F0C99D
oklch(85.9% 0.073 70)
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 #ADD5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.022
- Light Blue #ADD8E6 ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.048
- Powder Blue #B0E0E6 ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.054
- Sky Blue #87CEEB ΔE 0.055
Use #ADD5FF 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.