#A4D7DF
Closest named color: Celeste (#A8DADC). oklch(84.6% 0.054 208.1), rgb(164, 215, 223).
Aa
Black text reads best on this color (13.36:1).
About this color
#A4D7DF is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.054 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.012 away. Black text reads best on it, at 13.36:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.36:1 |
| White text | 1.57:1 |
Values
| HEX | #A4D7DF |
| RGB | rgb(164, 215, 223) |
| HSL | hsl(188, 48%, 76%) |
| OKLCH | oklch(84.6% 0.054 208.1) |
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 #A4D7DF | 1.57:1 | Fails | Lc -29.4 | Dividers and decoration only |
| Black text on #A4D7DF | 13.36:1 | AAA | Lc 77.8 | Fine for body text |
| #A4D7DF text on white | 1.57:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #A4D7DF text on black | 13.36:1 | AAA | Lc -77.0 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C3DFE3
oklch(88.4% 0.03 207.1)
-
Step 300
300 (this color)
#A4D7DF
oklch(84.6% 0.054 208.1)
-
Step 400
400
#58B0BD
oklch(70.8% 0.086 208.1)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#012C32
oklch(26.9% 0.046 209.1)
#A4D7DF 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) | #CFD3E0 | 0.053 |
| Deuteranopia (no green cones) | #C4CBDF | 0.048 |
| Tritanopia (no blue cones) | #91DCD9 | 0.027 |
| Achromatopsia (no color) | #CECECE | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D7DF
#A4D7DF
oklch(84.6% 0.054 208.1)
- #EEC0B9
#EEC0B9
oklch(84.6% 0.054 28.3)
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 #A4D7DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.012
- Light Blue #ADD8E6 ΔE 0.015
- Powder Blue #B0E0E6 ΔE 0.029
- Light Blue Grey #B7C9E2 ΔE 0.044
- Sky Blue #87CEEB ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.051
- Tiffany Blue #94D2BD ΔE 0.052
Use #A4D7DF 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.