#B9CFEE
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.8% 0.05 257), rgb(185, 207, 238).
Aa
Black text reads best on this color (13.22:1).
About this color
#B9CFEE is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.050 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.020 away. Black text reads best on it, at 13.22:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.22:1 |
| White text | 1.58:1 |
Values
| HEX | #B9CFEE |
| RGB | rgb(185, 207, 238) |
| HSL | hsl(215, 61%, 83%) |
| OKLCH | oklch(84.8% 0.05 257) |
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 #B9CFEE | 1.58:1 | Fails | Lc -30.1 | Non-text elements, placeholder text |
| Black text on #B9CFEE | 13.22:1 | AAA | Lc 77.1 | Fine for body text |
| #B9CFEE text on white | 1.58:1 | Fails | Lc 26.7 | Dividers and decoration only |
| #B9CFEE text on black | 13.22:1 | AAA | Lc -76.3 | 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 200.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200 (this color)
#B9CFEE
oklch(84.8% 0.05 257)
-
Step 300
300
#A7C3EA
oklch(81% 0.063 256.7)
-
Step 400
400
#77A3E0
oklch(70.8% 0.102 256.7)
-
Step 500
500
#538AD7
oklch(63.1% 0.131 257.1)
-
Step 600
600
#3773C4
oklch(55.7% 0.141 256.8)
-
Step 700
700
#2960AA
oklch(49.2% 0.132 256.9)
-
Step 800
800
#234E89
oklch(42.6% 0.109 257)
-
Step 900
900
#22426E
oklch(37.8% 0.085 256.8)
-
Step 950
950
#142740
oklch(27% 0.053 255.8)
#B9CFEE 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) | #C5D0F0 | 0.016 |
| Deuteranopia (no green cones) | #BFCBED | 0.012 |
| Tritanopia (no blue cones) | #ABD6D9 | 0.044 |
| Achromatopsia (no color) | #CDCDCD | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CFEE
#B9CFEE
oklch(84.8% 0.05 257)
- #E0CAAA
#E0CAAA
oklch(84.9% 0.049 77.2)
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 #B9CFEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.020
- Light Blue #ADD8E6 ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.035
- Light Periwinkle #C1C6FC ΔE 0.037
- Cadet Gray #CED4DA ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.045
- Celeste #A8DADC ΔE 0.049
Use #B9CFEE 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.