#B5CFEA
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.4% 0.047 249.4), rgb(181, 207, 234).
Aa
Black text reads best on this color (13.07:1).
About this color
#B5CFEA is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.047 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.016 away. Black text reads best on it, at 13.07:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.07:1 |
| White text | 1.60:1 |
Values
| HEX | #B5CFEA |
| RGB | rgb(181, 207, 234) |
| HSL | hsl(211, 56%, 81%) |
| OKLCH | oklch(84.4% 0.047 249.4) |
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 #B5CFEA | 1.60:1 | Fails | Lc -30.8 | Non-text elements, placeholder text |
| Black text on #B5CFEA | 13.07:1 | AAA | Lc 76.5 | Fine for body text |
| #B5CFEA text on white | 1.60:1 | Fails | Lc 27.3 | Dividers and decoration only |
| #B5CFEA text on black | 13.07:1 | AAA | Lc -75.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300 (this color)
#B5CFEA
oklch(84.4% 0.047 249.4)
-
Step 400
400
#7CA5CE
oklch(70.7% 0.075 248.9)
-
Step 500
500
#5A8EC1
oklch(63.1% 0.095 249.1)
-
Step 600
600
#3E77AE
oklch(55.6% 0.105 249.5)
-
Step 700
700
#306495
oklch(49.1% 0.097 249.2)
-
Step 800
800
#295279
oklch(42.8% 0.08 249.1)
-
Step 900
900
#264462
oklch(37.8% 0.063 249.8)
-
Step 950
950
#172839
oklch(27.1% 0.039 249.5)
#B5CFEA 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) | #C5CFEB | 0.021 |
| Deuteranopia (no green cones) | #BFCAE9 | 0.017 |
| Tritanopia (no blue cones) | #A7D5D8 | 0.039 |
| Achromatopsia (no color) | #CCCCCC | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CFEA
#B5CFEA
oklch(84.4% 0.047 249.4)
- #E1C7AB
#E1C7AB
oklch(84.4% 0.048 69.2)
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 #B5CFEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.016
- Light Blue #ADD8E6 ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.043
- Cadet Gray #CED4DA ΔE 0.043
- Celeste #A8DADC ΔE 0.043
Use #B5CFEA 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.