#B5DFFA
Closest named color: Powder Blue (#B0E0E6). oklch(88.3% 0.058 236.5), rgb(181, 223, 250).
Aa
Black text reads best on this color (14.90:1).
About this color
#B5DFFA is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.058 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.030 away. Black text reads best on it, at 14.90:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.90:1 |
| White text | 1.40:1 |
Values
| HEX | #B5DFFA |
| RGB | rgb(181, 223, 250) |
| HSL | hsl(203, 87%, 85%) |
| OKLCH | oklch(88.3% 0.058 236.5) |
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 #B5DFFA | 1.40:1 | Fails | Lc -22.5 | Dividers and decoration only |
| Black text on #B5DFFA | 14.90:1 | AAA | Lc 83.9 | Fine for body text |
| #B5DFFA text on white | 1.40:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #B5DFFA text on black | 14.90:1 | AAA | Lc -83.7 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DDECF7
oklch(93.5% 0.022 239.4)
-
Step 200
200 (this color)
#B5DFFA
oklch(88.3% 0.058 236.5)
-
Step 300
300
#92C9EB
oklch(81% 0.075 236.1)
-
Step 400
400
#4CABE1
oklch(70.7% 0.119 236.8)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#B5DFFA 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) | #D3DEFB | 0.037 |
| Deuteranopia (no green cones) | #C9D6FA | 0.032 |
| Tritanopia (no blue cones) | #A0E6E7 | 0.045 |
| Achromatopsia (no color) | #D9D9D9 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5DFFA
#B5DFFA
oklch(88.3% 0.058 236.5)
- #F7CFB4
#F7CFB4
oklch(88.2% 0.058 55.9)
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 #B5DFFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.032
- Celeste #A8DADC ΔE 0.045
- Pale Turquoise #AFEEEE ΔE 0.049
- Cadet Gray #CED4DA ΔE 0.050
- Diamond #B9F2FF ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Baby Blue #A2CFFE ΔE 0.052
Use #B5DFFA 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.