#B3D1EA
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.7% 0.048 243.5), rgb(179, 209, 234).
Aa
Black text reads best on this color (13.22:1).
About this color
#B3D1EA is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.048 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.021 away. Black text reads best on it, at 13.22:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.22:1 |
| White text | 1.58:1 |
Values
| HEX | #B3D1EA |
| RGB | rgb(179, 209, 234) |
| HSL | hsl(207, 57%, 81%) |
| OKLCH | oklch(84.7% 0.048 243.5) |
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 #B3D1EA | 1.58:1 | Fails | Lc -30.1 | Non-text elements, placeholder text |
| Black text on #B3D1EA | 13.22:1 | AAA | Lc 77.1 | Fine for body text |
| #B3D1EA text on white | 1.58:1 | Fails | Lc 26.6 | Dividers and decoration only |
| #B3D1EA text on black | 13.22:1 | AAA | Lc -76.4 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300 (this color)
#B3D1EA
oklch(84.7% 0.048 243.5)
-
Step 400
400
#77A6CD
oklch(70.6% 0.076 244.2)
-
Step 500
500
#5290C0
oklch(63.2% 0.097 243.6)
-
Step 600
600
#3379AC
oklch(55.5% 0.106 243.5)
-
Step 700
700
#256694
oklch(49.1% 0.098 243.4)
-
Step 800
800
#215378
oklch(42.6% 0.081 243.9)
-
Step 900
900
#214561
oklch(37.7% 0.064 244.1)
-
Step 950
950
#142939
oklch(27.2% 0.04 243)
#B3D1EA 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) | #C7D1EB | 0.026 |
| Deuteranopia (no green cones) | #C0CBEA | 0.022 |
| Tritanopia (no blue cones) | #A4D7D9 | 0.038 |
| Achromatopsia (no color) | #CDCDCD | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3D1EA
#B3D1EA
oklch(84.7% 0.048 243.5)
- #E4C7AD
#E4C7AD
oklch(84.7% 0.048 64)
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 #B3D1EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.021
- Light Blue #ADD8E6 ΔE 0.022
- Light Steel Blue #B0C4DE ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.036
- Celeste #A8DADC ΔE 0.038
- Cadet Gray #CED4DA ΔE 0.042
- Powder Blue #B0E0E6 ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.043
Use #B3D1EA 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.