#B1DFFB
Closest named color: Powder Blue (#B0E0E6). oklch(88.1% 0.062 235.1), rgb(177, 223, 251).
Aa
Black text reads best on this color (14.81:1).
About this color
#B1DFFB is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.062 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.031 away. Black text reads best on it, at 14.81:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.81:1 |
| White text | 1.41:1 |
Values
| HEX | #B1DFFB |
| RGB | rgb(177, 223, 251) |
| HSL | hsl(203, 90%, 84%) |
| OKLCH | oklch(88.1% 0.062 235.1) |
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 #B1DFFB | 1.41:1 | Fails | Lc -22.9 | Dividers and decoration only |
| Black text on #B1DFFB | 14.81:1 | AAA | Lc 83.6 | Fine for body text |
| #B1DFFB text on white | 1.41:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #B1DFFB text on black | 14.81:1 | AAA | Lc -83.3 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DCEDF7
oklch(93.6% 0.023 233.4)
-
Step 200
200 (this color)
#B1DFFB
oklch(88.1% 0.062 235.1)
-
Step 300
300
#8EC9ED
oklch(80.8% 0.079 235.9)
-
Step 400
400
#3FACE4
oklch(70.7% 0.127 235.3)
-
Step 500
500
#0095CE
oklch(63.2% 0.133 234.7)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#B1DFFB 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) | #D2DDFC | 0.040 |
| Deuteranopia (no green cones) | #C8D5FB | 0.036 |
| Tritanopia (no blue cones) | #9AE6E8 | 0.045 |
| Achromatopsia (no color) | #D9D9D9 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1DFFB
#B1DFFB
oklch(88.1% 0.062 235.1)
- #F9CEB2
#F9CEB2
oklch(88.1% 0.062 54.8)
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 #B1DFFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.031
- Light Blue #ADD8E6 ΔE 0.031
- Celeste #A8DADC ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Pale Turquoise #AFEEEE ΔE 0.049
- Baby Blue #A2CFFE ΔE 0.049
- Diamond #B9F2FF ΔE 0.051
- Cadet Gray #CED4DA ΔE 0.053
Use #B1DFFB 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.