#A4D4EB
Closest named color: Light Blue (#ADD8E6). oklch(84.4% 0.059 228.9), rgb(164, 212, 235).
Aa
Black text reads best on this color (13.19:1).
About this color
#A4D4EB is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.059 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.018 away. Black text reads best on it, at 13.19:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.19:1 |
| White text | 1.59:1 |
Values
| HEX | #A4D4EB |
| RGB | rgb(164, 212, 235) |
| HSL | hsl(199, 64%, 78%) |
| OKLCH | oklch(84.4% 0.059 228.9) |
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 #A4D4EB | 1.59:1 | Fails | Lc -30.2 | Non-text elements, placeholder text |
| Black text on #A4D4EB | 13.19:1 | AAA | Lc 77.1 | Fine for body text |
| #A4D4EB text on white | 1.59:1 | Fails | Lc 26.7 | Dividers and decoration only |
| #A4D4EB text on black | 13.19:1 | AAA | Lc -76.3 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C4DEEB
oklch(88.5% 0.033 229.3)
-
Step 300
300 (this color)
#A4D4EB
oklch(84.4% 0.059 228.9)
-
Step 400
400
#5BACD0
oklch(70.7% 0.095 229.1)
-
Step 500
500
#1096C3
oklch(63% 0.121 228.9)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#032B3A
oklch(27.1% 0.05 228.5)
#A4D4EB 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) | #C8D2EC | 0.044 |
| Deuteranopia (no green cones) | #BEC9EB | 0.041 |
| Tritanopia (no blue cones) | #8DDBDB | 0.042 |
| Achromatopsia (no color) | #CDCDCD | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D4EB
#A4D4EB
oklch(84.4% 0.059 228.9)
- #EDC1AA
#EDC1AA
oklch(84.4% 0.06 49.1)
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 #A4D4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.018
- Celeste #A8DADC ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.034
- Sky Blue #87CEEB ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.043
Use #A4D4EB 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.