#B9CEEC
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.5% 0.048 257.3), rgb(185, 206, 236).
Aa
Black text reads best on this color (13.10:1).
About this color
#B9CEEC is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.048 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.017 away. Black text reads best on it, at 13.10:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.10:1 |
| White text | 1.60:1 |
Values
| HEX | #B9CEEC |
| RGB | rgb(185, 206, 236) |
| HSL | hsl(215, 57%, 83%) |
| OKLCH | oklch(84.5% 0.048 257.3) |
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 #B9CEEC | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #B9CEEC | 13.10:1 | AAA | Lc 76.6 | Fine for body text |
| #B9CEEC text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #B9CEEC text on black | 13.10:1 | AAA | Lc -75.8 | Fine for body text |
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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300 (this color)
#B9CEEC
oklch(84.5% 0.048 257.3)
-
Step 400
400
#82A3D0
oklch(70.8% 0.076 256.3)
-
Step 500
500
#638BC4
oklch(63.1% 0.097 257.3)
-
Step 600
600
#4974B1
oklch(55.6% 0.107 257.2)
-
Step 700
700
#3B6198
oklch(49.1% 0.099 257.6)
-
Step 800
800
#31507B
oklch(42.8% 0.081 256.8)
-
Step 900
900
#2B4263
oklch(37.6% 0.064 257.4)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#B9CEEC 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) | #C4CFED | 0.015 |
| Deuteranopia (no green cones) | #BFCAEB | 0.012 |
| Tritanopia (no blue cones) | #ACD4D8 | 0.041 |
| Achromatopsia (no color) | #CCCCCC | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CEEC
#B9CEEC
oklch(84.5% 0.048 257.3)
- #DEC9AA
#DEC9AA
oklch(84.5% 0.048 77.6)
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 #B9CEEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.017
- Light Steel Blue #B0C4DE ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.035
- Light Periwinkle #C1C6FC ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.043
- Celeste #A8DADC ΔE 0.049
Use #B9CEEC 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.