#ACC5DE
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.3% 0.045 248.4), rgb(172, 197, 222).
Aa
Black text reads best on this color (11.79:1).
About this color
#ACC5DE is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.045 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.005 away. Black text reads best on it, at 11.79:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.79:1 |
| White text | 1.78:1 |
Values
| HEX | #ACC5DE |
| RGB | rgb(172, 197, 222) |
| HSL | hsl(210, 43%, 77%) |
| OKLCH | oklch(81.3% 0.045 248.4) |
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 #ACC5DE | 1.78:1 | Fails | Lc -36.8 | Non-text elements, placeholder text |
| Black text on #ACC5DE | 11.79:1 | AAA | Lc 71.0 | Content text, not long reading |
| #ACC5DE text on white | 1.78:1 | Fails | Lc 32.8 | Non-text elements, placeholder text |
| #ACC5DE text on black | 11.79:1 | AAA | Lc -69.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300 (this color)
#ACC5DE
oklch(81.3% 0.045 248.4)
-
Step 400
400
#7DA5CC
oklch(70.7% 0.072 248.2)
-
Step 500
500
#5B8EBE
oklch(63.1% 0.091 248)
-
Step 600
600
#4077AB
oklch(55.5% 0.1 248.9)
-
Step 700
700
#326492
oklch(49% 0.092 248.4)
-
Step 800
800
#2A5277
oklch(42.7% 0.077 248.4)
-
Step 900
900
#274460
oklch(37.7% 0.06 248.9)
-
Step 950
950
#172838
oklch(27% 0.038 247.9)
#ACC5DE 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) | #BCC5DF | 0.021 |
| Deuteranopia (no green cones) | #B6C0DE | 0.018 |
| Tritanopia (no blue cones) | #9FCBCD | 0.038 |
| Achromatopsia (no color) | #C2C2C2 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC5DE
#ACC5DE
oklch(81.3% 0.045 248.4)
- #D6BDA4
#D6BDA4
oklch(81.3% 0.044 67.1)
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 #ACC5DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.005
- Cloudy Blue #ACC2D9 ΔE 0.009
- Light Blue Grey #B7C9E2 ΔE 0.019
- Light Cornflower Blue #98C1D9 ΔE 0.029
- Light Grey Blue #9DBCD4 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.044
- Silver #C0C0C0 ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.045
Use #ACC5DE 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.