#B5C8DF
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.6% 0.038 253.3), rgb(181, 200, 223).
Aa
Black text reads best on this color (12.29:1).
About this color
#B5C8DF is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.038 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.005 away. Black text reads best on it, at 12.29:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.29:1 |
| White text | 1.70:1 |
Values
| HEX | #B5C8DF |
| RGB | rgb(181, 200, 223) |
| HSL | hsl(213, 40%, 79%) |
| OKLCH | oklch(82.6% 0.038 253.3) |
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 #B5C8DF | 1.70:1 | Fails | Lc -34.5 | Non-text elements, placeholder text |
| Black text on #B5C8DF | 12.29:1 | AAA | Lc 73.2 | Content text, not long reading |
| #B5C8DF text on white | 1.70:1 | Fails | Lc 30.6 | Non-text elements, placeholder text |
| #B5C8DF text on black | 12.29:1 | AAA | Lc -72.1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300 (this color)
#B5C8DF
oklch(82.6% 0.038 253.3)
-
Step 400
400
#86A3C7
oklch(70.7% 0.062 254.1)
-
Step 500
500
#678CB8
oklch(63% 0.079 253.3)
-
Step 600
600
#4E76A4
oklch(55.6% 0.085 252.7)
-
Step 700
700
#3F638D
oklch(49.1% 0.08 253.1)
-
Step 800
800
#345172
oklch(42.7% 0.065 252.5)
-
Step 900
900
#2E435C
oklch(37.7% 0.051 253.3)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#B5C8DF 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) | #C0C8E0 | 0.015 |
| Deuteranopia (no green cones) | #BBC4DF | 0.013 |
| Tritanopia (no blue cones) | #AACDCF | 0.034 |
| Achromatopsia (no color) | #C6C6C6 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5C8DF
#B5C8DF
oklch(82.6% 0.038 253.3)
- #D6C3AB
#D6C3AB
oklch(82.7% 0.039 73.7)
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 #B5C8DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.005
- Light Steel Blue #B0C4DE ΔE 0.013
- Cloudy Blue #ACC2D9 ΔE 0.021
- Light Blue #ADD8E6 ΔE 0.041
- Silver #C0C0C0 ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.047
Use #B5C8DF 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.