#A4E1FB
Closest named color: Powder Blue (#B0E0E6). oklch(87.7% 0.071 226.2), rgb(164, 225, 251).
Aa
Black text reads best on this color (14.74:1).
About this color
#A4E1FB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.071 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.030 away. Black text reads best on it, at 14.74:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.74:1 |
| White text | 1.42:1 |
Values
| HEX | #A4E1FB |
| RGB | rgb(164, 225, 251) |
| HSL | hsl(198, 92%, 81%) |
| OKLCH | oklch(87.7% 0.071 226.2) |
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 #A4E1FB | 1.42:1 | Fails | Lc -23.2 | Dividers and decoration only |
| Black text on #A4E1FB | 14.74:1 | AAA | Lc 83.4 | Fine for body text |
| #A4E1FB text on white | 1.42:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #A4E1FB text on black | 14.74:1 | AAA | Lc -83.1 | 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
#EDF7FC
oklch(97% 0.013 228.9)
-
Step 100
100
#D8EEF8
oklch(93.6% 0.027 226.8)
-
Step 200
200 (this color)
#A4E1FB
oklch(87.7% 0.071 226.2)
-
Step 300
300
#7CCDEE
oklch(80.8% 0.092 226.2)
-
Step 400
400
#00B1E1
oklch(70.8% 0.135 226)
-
Step 500
500
#0097C1
oklch(63% 0.121 226.4)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#A4E1FB 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) | #D3DEFC | 0.056 |
| Deuteranopia (no green cones) | #C6D4FB | 0.050 |
| Tritanopia (no blue cones) | #85E9E9 | 0.049 |
| Achromatopsia (no color) | #D8D8D8 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4E1FB
#A4E1FB
oklch(87.7% 0.071 226.2)
- #FFC9B0
#FFC9B0
oklch(87.7% 0.07 46.1)
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 #A4E1FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.031
- Robin's Egg Blue #98EFF9 ΔE 0.039
- Celeste #A8DADC ΔE 0.041
- Robin Egg Blue #8AF1FE ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.047
- Baby Blue #A2CFFE ΔE 0.050
- Diamond #B9F2FF ΔE 0.053
Use #A4E1FB 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.