#A4C8EA
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.8% 0.062 247.1), rgb(164, 200, 234).
Aa
Black text reads best on this color (12.02:1).
About this color
#A4C8EA is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.062 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.021 away. Black text reads best on it, at 12.02:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.02:1 |
| White text | 1.74:1 |
Values
| HEX | #A4C8EA |
| RGB | rgb(164, 200, 234) |
| HSL | hsl(209, 62%, 78%) |
| OKLCH | oklch(81.8% 0.062 247.1) |
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 #A4C8EA | 1.74:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #A4C8EA | 12.02:1 | AAA | Lc 72.1 | Content text, not long reading |
| #A4C8EA text on white | 1.74:1 | Fails | Lc 31.8 | Non-text elements, placeholder text |
| #A4C8EA text on black | 12.02:1 | AAA | Lc -70.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300 (this color)
#A4C8EA
oklch(81.8% 0.062 247.1)
-
Step 400
400
#6CA6DB
oklch(70.6% 0.099 247.2)
-
Step 500
500
#418FD1
oklch(63.1% 0.126 247)
-
Step 600
600
#1878BE
oklch(55.6% 0.136 246.9)
-
Step 700
700
#0564A4
oklch(49% 0.128 247.3)
-
Step 800
800
#0D5285
oklch(42.7% 0.106 247.2)
-
Step 900
900
#16446B
oklch(37.6% 0.083 247.9)
-
Step 950
950
#0F283E
oklch(26.9% 0.052 247.6)
#A4C8EA 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) | #BBC8EC | 0.029 |
| Deuteranopia (no green cones) | #B2C1E9 | 0.024 |
| Tritanopia (no blue cones) | #8FD0D3 | 0.052 |
| Achromatopsia (no color) | #C4C4C4 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4C8EA
#A4C8EA
oklch(81.8% 0.062 247.1)
- #DFBC99
#DFBC99
oklch(81.7% 0.062 66.8)
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 #A4C8EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.021
- Cloudy Blue #ACC2D9 ΔE 0.025
- Light Blue Grey #B7C9E2 ΔE 0.026
- Baby Blue #A2CFFE ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.032
- Sky Blue #87CEEB ΔE 0.033
- Light Sky Blue #87CEFA ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.041
Use #A4C8EA 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.