#A4C5EA
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.2% 0.063 251.5), rgb(164, 197, 234).
Aa
Black text reads best on this color (11.75:1).
About this color
#A4C5EA is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.063 and its hue 252°. 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 11.75:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.75:1 |
| White text | 1.78:1 |
Values
| HEX | #A4C5EA |
| RGB | rgb(164, 197, 234) |
| HSL | hsl(212, 62%, 78%) |
| OKLCH | oklch(81.2% 0.063 251.5) |
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 #A4C5EA | 1.78:1 | Fails | Lc -37.0 | Non-text elements, placeholder text |
| Black text on #A4C5EA | 11.75:1 | AAA | Lc 70.9 | Content text, not long reading |
| #A4C5EA text on white | 1.78:1 | Fails | Lc 33.0 | Non-text elements, placeholder text |
| #A4C5EA text on black | 11.75:1 | AAA | Lc -69.7 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300 (this color)
#A4C5EA
oklch(81.2% 0.063 251.5)
-
Step 400
400
#70A5DE
oklch(70.8% 0.101 251.1)
-
Step 500
500
#488DD5
oklch(63.1% 0.13 251.5)
-
Step 600
600
#2675C2
oklch(55.5% 0.141 251.6)
-
Step 700
700
#1862A8
oklch(49% 0.132 251.8)
-
Step 800
800
#175188
oklch(42.8% 0.108 251.1)
-
Step 900
900
#1B436D
oklch(37.7% 0.085 252)
-
Step 950
950
#112840
oklch(27.1% 0.054 251.3)
#A4C5EA 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) | #B7C6EC | 0.025 |
| Deuteranopia (no green cones) | #AFBFE9 | 0.019 |
| Tritanopia (no blue cones) | #8FCDD1 | 0.054 |
| Achromatopsia (no color) | #C2C2C2 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4C5EA
#A4C5EA
oklch(81.2% 0.063 251.5)
- #DCBB95
#DCBB95
oklch(81.1% 0.063 70.7)
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 #A4C5EA, 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 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.037
Use #A4C5EA 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.