#B5DDF4
Closest named color: Light Blue (#ADD8E6). oklch(87.6% 0.053 233.4), rgb(181, 221, 244).
Aa
Black text reads best on this color (14.61:1).
About this color
#B5DDF4 is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.053 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.024 away. Black text reads best on it, at 14.61:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.61:1 |
| White text | 1.43:1 |
Values
| HEX | #B5DDF4 |
| RGB | rgb(181, 221, 244) |
| HSL | hsl(202, 74%, 83%) |
| OKLCH | oklch(87.6% 0.053 233.4) |
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 #B5DDF4 | 1.43:1 | Fails | Lc -23.8 | Dividers and decoration only |
| Black text on #B5DDF4 | 14.61:1 | AAA | Lc 82.8 | Fine for body text |
| #B5DDF4 text on white | 1.43:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #B5DDF4 text on black | 14.61:1 | AAA | Lc -82.5 | 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
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200 (this color)
#B5DDF4
oklch(87.6% 0.053 233.4)
-
Step 300
300
#95C9E6
oklch(81% 0.068 233.1)
-
Step 400
400
#52ACD9
oklch(70.8% 0.108 232.9)
-
Step 500
500
#0095CC
oklch(63.1% 0.132 233.7)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#B5DDF4 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) | #D2DBF5 | 0.036 |
| Deuteranopia (no green cones) | #C9D4F4 | 0.032 |
| Tritanopia (no blue cones) | #A2E3E4 | 0.039 |
| Achromatopsia (no color) | #D7D7D7 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5DDF4
#B5DDF4
oklch(87.6% 0.053 233.4)
- #F3CEB7
#F3CEB7
oklch(87.7% 0.052 53.7)
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 #B5DDF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.024
- Powder Blue #B0E0E6 ΔE 0.025
- Celeste #A8DADC ΔE 0.038
- Cadet Gray #CED4DA ΔE 0.044
- Pale Turquoise #AFEEEE ΔE 0.049
- Baby Blue #A2CFFE ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.051
- Robin's Egg Blue #98EFF9 ΔE 0.052
Use #B5DDF4 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.