#A7DDFB
Closest named color: Light Blue (#ADD8E6). oklch(87% 0.069 232.9), rgb(167, 221, 251).
Aa
Black text reads best on this color (14.37:1).
About this color
#A7DDFB is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.069 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.028 away. Black text reads best on it, at 14.37:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.37:1 |
| White text | 1.46:1 |
Values
| HEX | #A7DDFB |
| RGB | rgb(167, 221, 251) |
| HSL | hsl(201, 91%, 82%) |
| OKLCH | oklch(87% 0.069 232.9) |
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 #A7DDFB | 1.46:1 | Fails | Lc -24.8 | Dividers and decoration only |
| Black text on #A7DDFB | 14.37:1 | AAA | Lc 81.9 | Fine for body text |
| #A7DDFB text on white | 1.46:1 | Fails | Lc 21.8 | Dividers and decoration only |
| #A7DDFB text on black | 14.37:1 | AAA | Lc -81.5 | 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)
#A7DDFB
oklch(87% 0.069 232.9)
-
Step 300
300
#84CBF1
oklch(80.9% 0.089 232.8)
-
Step 400
400
#14AEEA
oklch(70.7% 0.142 232.8)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#A7DDFB 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) | #CFDBFD | 0.048 |
| Deuteranopia (no green cones) | #C3D1FB | 0.043 |
| Tritanopia (no blue cones) | #8BE5E6 | 0.051 |
| Achromatopsia (no color) | #D6D6D6 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7DDFB
#A7DDFB
oklch(87% 0.069 232.9)
- #FAC9AA
#FAC9AA
oklch(87.1% 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 #A7DDFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.028
- Powder Blue #B0E0E6 ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.040
- Celeste #A8DADC ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.054
- Pale Turquoise #AFEEEE ΔE 0.056
- Light Sky Blue #87CEFA ΔE 0.056
Use #A7DDFB 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.