#B4CDEF
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.1% 0.055 256.1), rgb(180, 205, 239).
Aa
Black text reads best on this color (12.91:1).
About this color
#B4CDEF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.055 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.018 away. Black text reads best on it, at 12.91:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.91:1 |
| White text | 1.62:1 |
Values
| HEX | #B4CDEF |
| RGB | rgb(180, 205, 239) |
| HSL | hsl(215, 65%, 82%) |
| OKLCH | oklch(84.1% 0.055 256.1) |
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 #B4CDEF | 1.62:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #B4CDEF | 12.91:1 | AAA | Lc 75.9 | Fine for body text |
| #B4CDEF text on white | 1.62:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #B4CDEF text on black | 12.91:1 | AAA | Lc -75.0 | 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
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDAEE
oklch(88.4% 0.031 257.2)
-
Step 300
300 (this color)
#B4CDEF
oklch(84.1% 0.055 256.1)
-
Step 400
400
#7CA3D7
oklch(70.7% 0.088 255.8)
-
Step 500
500
#5B8BCC
oklch(63.1% 0.112 256.3)
-
Step 600
600
#4074B9
oklch(55.6% 0.122 256.2)
-
Step 700
700
#3261A0
oklch(49.1% 0.114 256.4)
-
Step 800
800
#2A4F81
oklch(42.6% 0.094 256.5)
-
Step 900
900
#264268
oklch(37.6% 0.074 256.4)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#B4CDEF 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) | #C1CEF1 | 0.017 |
| Deuteranopia (no green cones) | #BBC8EE | 0.015 |
| Tritanopia (no blue cones) | #A4D4D8 | 0.048 |
| Achromatopsia (no color) | #CBCBCB | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4CDEF
#B4CDEF
oklch(84.1% 0.055 256.1)
- #E0C7A3
#E0C7A3
oklch(84.2% 0.056 76.8)
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 #B4CDEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.018
- Baby Blue #A2CFFE ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.030
- Light Periwinkle #C1C6FC ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.051
- Sky Blue #87CEEB ΔE 0.051
Use #B4CDEF 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.