#B1DDEE
Closest named color: Powder Blue (#B0E0E6). oklch(87.2% 0.051 223.4), rgb(177, 221, 238).
Aa
Black text reads best on this color (14.44:1).
About this color
#B1DDEE is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.051 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.016 away. Black text reads best on it, at 14.44:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.44:1 |
| White text | 1.45:1 |
Values
| HEX | #B1DDEE |
| RGB | rgb(177, 221, 238) |
| HSL | hsl(197, 64%, 81%) |
| OKLCH | oklch(87.2% 0.051 223.4) |
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 #B1DDEE | 1.45:1 | Fails | Lc -24.5 | Dividers and decoration only |
| Black text on #B1DDEE | 14.44:1 | AAA | Lc 82.1 | Fine for body text |
| #B1DDEE text on white | 1.45:1 | Fails | Lc 21.6 | Dividers and decoration only |
| #B1DDEE text on black | 14.44:1 | AAA | Lc -81.7 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DDEDF3
oklch(93.6% 0.019 222.2)
-
Step 200
200 (this color)
#B1DDEE
oklch(87.2% 0.051 223.4)
-
Step 300
300
#91CBE0
oklch(81% 0.066 222.4)
-
Step 400
400
#48AFD1
oklch(70.8% 0.106 223.2)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#B1DDEE 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) | #D3DAEF | 0.042 |
| Deuteranopia (no green cones) | #CAD3EE | 0.038 |
| Tritanopia (no blue cones) | #9EE3E2 | 0.034 |
| Achromatopsia (no color) | #D6D6D6 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1DDEE
#B1DDEE
oklch(87.2% 0.051 223.4)
- #F3CBBA
#F3CBBA
oklch(87.2% 0.051 44.3)
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 #B1DDEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.016
- Light Blue #ADD8E6 ΔE 0.016
- Celeste #A8DADC ΔE 0.028
- Cadet Gray #CED4DA ΔE 0.042
- Pale Turquoise #AFEEEE ΔE 0.046
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.050
- Light Gray #D3D3D3 ΔE 0.052
Use #B1DDEE 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.