#B2C9EA
Closest named color: Light Blue Grey (#B7C9E2). oklch(83% 0.053 257.4), rgb(178, 201, 234).
Aa
Black text reads best on this color (12.43:1).
About this color
#B2C9EA is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.053 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.013 away. Black text reads best on it, at 12.43:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.43:1 |
| White text | 1.68:1 |
Values
| HEX | #B2C9EA |
| RGB | rgb(178, 201, 234) |
| HSL | hsl(215, 57%, 81%) |
| OKLCH | oklch(83% 0.053 257.4) |
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 #B2C9EA | 1.68:1 | Fails | Lc -33.8 | Non-text elements, placeholder text |
| Black text on #B2C9EA | 12.43:1 | AAA | Lc 73.8 | Content text, not long reading |
| #B2C9EA text on white | 1.68:1 | Fails | Lc 30.0 | Non-text elements, placeholder text |
| #B2C9EA text on black | 12.43:1 | AAA | Lc -72.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300 (this color)
#B2C9EA
oklch(83% 0.053 257.4)
-
Step 400
400
#7FA2D5
oklch(70.6% 0.085 257.7)
-
Step 500
500
#5E8BCA
oklch(63.1% 0.108 256.9)
-
Step 600
600
#4474B7
oklch(55.7% 0.117 257)
-
Step 700
700
#36619E
oklch(49.2% 0.109 257.4)
-
Step 800
800
#2D4F80
oklch(42.7% 0.091 257.6)
-
Step 900
900
#294267
oklch(37.7% 0.071 258)
-
Step 950
950
#18273C
oklch(27% 0.044 256.9)
#B2C9EA 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) | #BECAEC | 0.016 |
| Deuteranopia (no green cones) | #B8C5E9 | 0.012 |
| Tritanopia (no blue cones) | #A3D0D4 | 0.046 |
| Achromatopsia (no color) | #C7C7C7 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2C9EA
#B2C9EA
oklch(83% 0.053 257.4)
- #DBC3A1
#DBC3A1
oklch(82.9% 0.053 76.5)
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 #B2C9EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.013
- Light Steel Blue #B0C4DE ΔE 0.019
- Cloudy Blue #ACC2D9 ΔE 0.028
- Baby Blue #A2CFFE ΔE 0.031
- Light Periwinkle #C1C6FC ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Sky Blue #87CEEB ΔE 0.048
Use #B2C9EA 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.