#B1D1DF
Closest named color: Light Blue (#ADD8E6). oklch(84.2% 0.039 226.1), rgb(177, 209, 223).
Aa
Black text reads best on this color (13.05:1).
About this color
#B1D1DF is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.039 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.018 away. Black text reads best on it, at 13.05:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.05:1 |
| White text | 1.60:1 |
Values
| HEX | #B1D1DF |
| RGB | rgb(177, 209, 223) |
| HSL | hsl(198, 42%, 78%) |
| OKLCH | oklch(84.2% 0.039 226.1) |
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 #B1D1DF | 1.60:1 | Fails | Lc -30.9 | Non-text elements, placeholder text |
| Black text on #B1D1DF | 13.05:1 | AAA | Lc 76.4 | Fine for body text |
| #B1D1DF text on white | 1.60:1 | Fails | Lc 27.4 | Dividers and decoration only |
| #B1D1DF text on black | 13.05:1 | AAA | Lc -75.6 | 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 300.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CBDCE4
oklch(88.4% 0.021 227.6)
-
Step 300
300 (this color)
#B1D1DF
oklch(84.2% 0.039 226.1)
-
Step 400
400
#76A9BF
oklch(70.7% 0.063 226.7)
-
Step 500
500
#4F94AF
oklch(63.2% 0.081 225.8)
-
Step 600
600
#2F7E9A
oklch(55.7% 0.087 225.2)
-
Step 700
700
#206A84
oklch(49.2% 0.081 225.9)
-
Step 800
800
#1D566B
oklch(42.6% 0.067 226.3)
-
Step 900
900
#1F4757
oklch(37.6% 0.052 226.9)
-
Step 950
950
#132A33
oklch(27.1% 0.033 225.6)
#B1D1DF 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) | #C9CFE0 | 0.031 |
| Deuteranopia (no green cones) | #C2C9DF | 0.029 |
| Tritanopia (no blue cones) | #A4D5D5 | 0.026 |
| Achromatopsia (no color) | #CCCCCC | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D1DF
#B1D1DF
oklch(84.2% 0.039 226.1)
- #E2C4B6
#E2C4B6
oklch(84.2% 0.039 46.6)
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 #B1D1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.018
- Light Blue Grey #B7C9E2 ΔE 0.024
- Celeste #A8DADC ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.038
- Cadet Gray #CED4DA ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Gray #D3D3D3 ΔE 0.047
Use #B1D1DF 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.