#A3CFD8
Closest named color: Celeste (#A8DADC). oklch(82.6% 0.048 211.5), rgb(163, 207, 216).
Aa
Black text reads best on this color (12.47:1).
About this color
#A3CFD8 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.048 and its hue 212°. 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 12.47:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.47:1 |
| White text | 1.68:1 |
Values
| HEX | #A3CFD8 |
| RGB | rgb(163, 207, 216) |
| HSL | hsl(190, 40%, 74%) |
| OKLCH | oklch(82.6% 0.048 211.5) |
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 #A3CFD8 | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #A3CFD8 | 12.47:1 | AAA | Lc 74.0 | Content text, not long reading |
| #A3CFD8 text on white | 1.68:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #A3CFD8 text on black | 12.47:1 | AAA | Lc -73.0 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C6DEE3
oklch(88.4% 0.026 211.6)
-
Step 300
300 (this color)
#A3CFD8
oklch(82.6% 0.048 211.5)
-
Step 400
400
#64AEBC
oklch(70.8% 0.076 211.1)
-
Step 500
500
#2C99AB
oklch(63.1% 0.098 211.1)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#054A55
oklch(37.6% 0.064 212.1)
-
Step 950
950
#082C32
oklch(27.1% 0.041 210.9)
#A3CFD8 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) | #C7CCD9 | 0.045 |
| Deuteranopia (no green cones) | #BEC4D8 | 0.042 |
| Tritanopia (no blue cones) | #92D3D2 | 0.025 |
| Achromatopsia (no color) | #C7C7C7 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CFD8
#A3CFD8
oklch(82.6% 0.048 211.5)
- #E3BBB3
#E3BBB3
oklch(82.5% 0.048 31.3)
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 #A3CFD8, 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 0.031
- Light Blue Grey #B7C9E2 ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Tiffany Blue #94D2BD ΔE 0.047
Use #A3CFD8 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.