#A3CFD5
Closest named color: Celeste (#A8DADC). oklch(82.5% 0.047 206.6), rgb(163, 207, 213).
Aa
Black text reads best on this color (12.44:1).
About this color
#A3CFD5 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.047 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.030 away. Black text reads best on it, at 12.44:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.44:1 |
| White text | 1.68:1 |
Values
| HEX | #A3CFD5 |
| RGB | rgb(163, 207, 213) |
| HSL | hsl(187, 37%, 74%) |
| OKLCH | oklch(82.5% 0.047 206.6) |
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 #A3CFD5 | 1.68:1 | Fails | Lc -33.7 | Non-text elements, placeholder text |
| Black text on #A3CFD5 | 12.44:1 | AAA | Lc 73.9 | Content text, not long reading |
| #A3CFD5 text on white | 1.68:1 | Fails | Lc 30.0 | Dividers and decoration only |
| #A3CFD5 text on black | 12.44:1 | AAA | Lc -72.8 | Content text, not long reading |
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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DEE2
oklch(88.4% 0.026 208.7)
-
Step 300
300 (this color)
#A3CFD5
oklch(82.5% 0.047 206.6)
-
Step 400
400
#64AEB8
oklch(70.6% 0.075 206.8)
-
Step 500
500
#2D9AA6
oklch(63.2% 0.096 205.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#054B52
oklch(37.8% 0.063 205.9)
-
Step 950
950
#092C30
oklch(27.1% 0.039 206)
#A3CFD5 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) | #C8CBD5 | 0.047 |
| Deuteranopia (no green cones) | #BFC4D5 | 0.043 |
| Tritanopia (no blue cones) | #93D3D1 | 0.022 |
| Achromatopsia (no color) | #C7C7C7 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CFD5
#A3CFD5
oklch(82.5% 0.047 206.6)
- #E3BBB6
#E3BBB6
oklch(82.6% 0.047 26.5)
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 #A3CFD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.039
- Sky Blue #87CEEB ΔE 0.042
- Tiffany Blue #94D2BD ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.044
Use #A3CFD5 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.