#A5C9DE
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.7% 0.049 233.8), rgb(165, 201, 222).
Aa
Black text reads best on this color (12.00:1).
About this color
#A5C9DE is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.049 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.018 away. Black text reads best on it, at 12.00:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.00:1 |
| White text | 1.74:1 |
Values
| HEX | #A5C9DE |
| RGB | rgb(165, 201, 222) |
| HSL | hsl(202, 46%, 76%) |
| OKLCH | oklch(81.7% 0.049 233.8) |
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 #A5C9DE | 1.74:1 | Fails | Lc -35.8 | Non-text elements, placeholder text |
| Black text on #A5C9DE | 12.00:1 | AAA | Lc 72.0 | Content text, not long reading |
| #A5C9DE text on white | 1.74:1 | Fails | Lc 31.9 | Non-text elements, placeholder text |
| #A5C9DE text on black | 12.00:1 | AAA | Lc -70.8 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300 (this color)
#A5C9DE
oklch(81.7% 0.049 233.8)
-
Step 400
400
#6EA9CA
oklch(70.7% 0.078 233.9)
-
Step 500
500
#4393BC
oklch(63.1% 0.099 233.8)
-
Step 600
600
#1B7DA8
oklch(55.6% 0.107 233.4)
-
Step 700
700
#076990
oklch(49.1% 0.1 233.5)
-
Step 800
800
#0F5675
oklch(42.8% 0.083 233.4)
-
Step 900
900
#17475F
oklch(37.7% 0.065 234.2)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#A5C9DE 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) | #BFC8DF | 0.033 |
| Deuteranopia (no green cones) | #B7C1DE | 0.029 |
| Tritanopia (no blue cones) | #94CFD0 | 0.036 |
| Achromatopsia (no color) | #C4C4C4 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5C9DE
#A5C9DE
oklch(81.7% 0.049 233.8)
- #DDBBA6
#DDBBA6
oklch(81.6% 0.049 53.5)
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 #A5C9DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.018
- Cloudy Blue #ACC2D9 ΔE 0.019
- Light Blue Grey #B7C9E2 ΔE 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Sky Blue #87CEEB ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.041
- Baby Blue #A2CFFE ΔE 0.044
Use #A5C9DE 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.