#A9DEFD
Closest named color: Light Blue (#ADD8E6). oklch(87.4% 0.069 234.3), rgb(169, 222, 253).
Aa
Black text reads best on this color (14.55:1).
About this color
#A9DEFD is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.069 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.031 away. Black text reads best on it, at 14.55:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.55:1 |
| White text | 1.44:1 |
Values
| HEX | #A9DEFD |
| RGB | rgb(169, 222, 253) |
| HSL | hsl(202, 95%, 83%) |
| OKLCH | oklch(87.4% 0.069 234.3) |
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 #A9DEFD | 1.44:1 | Fails | Lc -24.0 | Dividers and decoration only |
| Black text on #A9DEFD | 14.55:1 | AAA | Lc 82.6 | Fine for body text |
| #A9DEFD text on white | 1.44:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #A9DEFD text on black | 14.55:1 | AAA | Lc -82.2 | 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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DAEDF9
oklch(93.6% 0.026 235.4)
-
Step 200
200 (this color)
#A9DEFD
oklch(87.4% 0.069 234.3)
-
Step 300
300
#85CBF2
oklch(81% 0.089 233.8)
-
Step 400
400
#1CADEC
oklch(70.6% 0.144 234.7)
-
Step 500
500
#0095CD
oklch(63.1% 0.132 234.2)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004865
oklch(37.8% 0.079 233.7)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#A9DEFD 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) | #D0DCFF | 0.047 |
| Deuteranopia (no green cones) | #C4D3FD | 0.041 |
| Tritanopia (no blue cones) | #8DE6E8 | 0.051 |
| Achromatopsia (no color) | #D7D7D7 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DEFD
#A9DEFD
oklch(87.4% 0.069 234.3)
- #FBCAAB
#FBCAAB
oklch(87.4% 0.07 53.9)
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 #A9DEFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.042
- Celeste #A8DADC ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Pale Turquoise #AFEEEE ΔE 0.055
- Robin Egg Blue #8AF1FE ΔE 0.055
- Light Blue Grey #B7C9E2 ΔE 0.057
Use #A9DEFD 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.