#B1D2EA
Closest named color: Light Blue (#ADD8E6). oklch(84.8% 0.049 239.7), rgb(177, 210, 234).
Aa
Black text reads best on this color (13.27:1).
About this color
#B1D2EA is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.049 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.019 away. Black text reads best on it, at 13.27:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.27:1 |
| White text | 1.58:1 |
Values
| HEX | #B1D2EA |
| RGB | rgb(177, 210, 234) |
| HSL | hsl(205, 58%, 81%) |
| OKLCH | oklch(84.8% 0.049 239.7) |
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 #B1D2EA | 1.58:1 | Fails | Lc -29.9 | Dividers and decoration only |
| Black text on #B1D2EA | 13.27:1 | AAA | Lc 77.4 | Fine for body text |
| #B1D2EA text on white | 1.58:1 | Fails | Lc 26.4 | Dividers and decoration only |
| #B1D2EA text on black | 13.27:1 | AAA | Lc -76.6 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200 (this color)
#B1D2EA
oklch(84.8% 0.049 239.7)
-
Step 300
300
#9CC7E5
oklch(80.9% 0.062 239)
-
Step 400
400
#62A9D9
oklch(70.7% 0.101 239.9)
-
Step 500
500
#2B92CE
oklch(63% 0.128 239.8)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#054669
oklch(37.6% 0.084 240.3)
-
Step 950
950
#08293D
oklch(26.9% 0.053 239.9)
#B1D2EA 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) | #C8D1EB | 0.029 |
| Deuteranopia (no green cones) | #C0CBEA | 0.025 |
| Tritanopia (no blue cones) | #A1D8DA | 0.037 |
| Achromatopsia (no color) | #CDCDCD | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D2EA
#B1D2EA
oklch(84.8% 0.049 239.7)
- #E6C6AE
#E6C6AE
oklch(84.8% 0.049 58.9)
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 #B1D2EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.019
- Light Blue Grey #B7C9E2 ΔE 0.023
- Celeste #A8DADC ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.040
- Cadet Gray #CED4DA ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.044
Use #B1D2EA 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.