#A4C0DF
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.7% 0.054 251.1), rgb(164, 192, 223).
Aa
Black text reads best on this color (11.18:1).
About this color
#A4C0DF is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.054 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.015 away. Black text reads best on it, at 11.18:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.18:1 |
| White text | 1.87:1 |
Values
| HEX | #A4C0DF |
| RGB | rgb(164, 192, 223) |
| HSL | hsl(212, 48%, 76%) |
| OKLCH | oklch(79.7% 0.054 251.1) |
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 #A4C0DF | 1.87:1 | Fails | Lc -39.8 | Non-text elements, placeholder text |
| Black text on #A4C0DF | 11.18:1 | AAA | Lc 68.3 | Content text, not long reading |
| #A4C0DF text on white | 1.87:1 | Fails | Lc 35.6 | Non-text elements, placeholder text |
| #A4C0DF text on black | 11.18:1 | AAA | Lc -66.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300 (this color)
#A4C0DF
oklch(79.7% 0.054 251.1)
-
Step 400
400
#78A5D5
oklch(70.8% 0.086 250.7)
-
Step 500
500
#548DCA
oklch(63.1% 0.11 251.4)
-
Step 600
600
#3776B6
oklch(55.5% 0.119 251.1)
-
Step 700
700
#29639D
oklch(49.1% 0.111 251.1)
-
Step 800
800
#24517F
oklch(42.7% 0.091 251.2)
-
Step 900
900
#224366
oklch(37.6% 0.072 251.5)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#A4C0DF 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) | #B5C0E1 | 0.022 |
| Deuteranopia (no green cones) | #AEBADE | 0.019 |
| Tritanopia (no blue cones) | #93C7CA | 0.046 |
| Achromatopsia (no color) | #BDBDBD | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4C0DF
#A4C0DF
oklch(79.7% 0.054 251.1)
- #D3B898
#D3B898
oklch(79.8% 0.053 71.7)
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 #A4C0DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.015
- Light Cornflower Blue #98C1D9 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.020
- Light Grey Blue #9DBCD4 ΔE 0.020
- Light Blue Grey #B7C9E2 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.046
- French Gray #ADB5BD ΔE 0.048
Use #A4C0DF 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.