#B1C8EA
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.7% 0.054 258), rgb(177, 200, 234).
Aa
Black text reads best on this color (12.31:1).
About this color
#B1C8EA is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.054 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.014 away. Black text reads best on it, at 12.31:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.31:1 |
| White text | 1.70:1 |
Values
| HEX | #B1C8EA |
| RGB | rgb(177, 200, 234) |
| HSL | hsl(216, 58%, 81%) |
| OKLCH | oklch(82.7% 0.054 258) |
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 #B1C8EA | 1.70:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #B1C8EA | 12.31:1 | AAA | Lc 73.3 | Content text, not long reading |
| #B1C8EA text on white | 1.70:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #B1C8EA text on black | 12.31:1 | AAA | Lc -72.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300 (this color)
#B1C8EA
oklch(82.7% 0.054 258)
-
Step 400
400
#7FA2D7
oklch(70.7% 0.087 258.5)
-
Step 500
500
#5E8ACC
oklch(63% 0.111 258.3)
-
Step 600
600
#4473B9
oklch(55.6% 0.121 258.2)
-
Step 700
700
#36609F
oklch(49% 0.112 258.3)
-
Step 800
800
#2D4F81
oklch(42.7% 0.093 258)
-
Step 900
900
#284267
oklch(37.7% 0.071 257.3)
-
Step 950
950
#18273D
oklch(27.1% 0.046 257.8)
#B1C8EA 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) | #BDC9EC | 0.016 |
| Deuteranopia (no green cones) | #B7C4E9 | 0.012 |
| Tritanopia (no blue cones) | #A2CFD3 | 0.047 |
| Achromatopsia (no color) | #C6C6C6 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1C8EA
#B1C8EA
oklch(82.7% 0.054 258)
- #DAC39F
#DAC39F
oklch(82.7% 0.055 78.9)
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 #B1C8EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.014
- Light Steel Blue #B0C4DE ΔE 0.018
- Cloudy Blue #ACC2D9 ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.031
- Light Periwinkle #C1C6FC ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.047
Use #B1C8EA 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.