#B1C8DB
Closest named color: Light Steel Blue (#B0C4DE). oklch(82.2% 0.037 243.1), rgb(177, 200, 219).
Aa
Black text reads best on this color (12.15:1).
About this color
#B1C8DB is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.037 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.013 away. Black text reads best on it, at 12.15:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.15:1 |
| White text | 1.72:1 |
Values
| HEX | #B1C8DB |
| RGB | rgb(177, 200, 219) |
| HSL | hsl(207, 37%, 78%) |
| OKLCH | oklch(82.2% 0.037 243.1) |
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 #B1C8DB | 1.72:1 | Fails | Lc -35.1 | Non-text elements, placeholder text |
| Black text on #B1C8DB | 12.15:1 | AAA | Lc 72.6 | Content text, not long reading |
| #B1C8DB text on white | 1.72:1 | Fails | Lc 31.2 | Non-text elements, placeholder text |
| #B1C8DB text on black | 12.15:1 | AAA | Lc -71.5 | Content text, not long reading |
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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300 (this color)
#B1C8DB
oklch(82.2% 0.037 243.1)
-
Step 400
400
#81A5C3
oklch(70.6% 0.059 243.9)
-
Step 500
500
#618FB4
oklch(63.2% 0.075 243.6)
-
Step 600
600
#46799F
oklch(55.6% 0.081 242.4)
-
Step 700
700
#376588
oklch(49% 0.076 243.2)
-
Step 800
800
#2E536F
oklch(42.7% 0.063 242.8)
-
Step 900
900
#2A455A
oklch(37.8% 0.049 243)
-
Step 950
950
#192834
oklch(26.9% 0.03 243.3)
#B1C8DB 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) | #C0C8DC | 0.020 |
| Deuteranopia (no green cones) | #BBC3DB | 0.018 |
| Tritanopia (no blue cones) | #A6CDCE | 0.030 |
| Achromatopsia (no color) | #C5C5C5 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1C8DB
#B1C8DB
oklch(82.2% 0.037 243.1)
- #D6C0AD
#D6C0AD
oklch(82.1% 0.036 63.1)
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 #B1C8DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.013
- Light Blue Grey #B7C9E2 ΔE 0.013
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Silver #C0C0C0 ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.041
- Light Grey Blue #9DBCD4 ΔE 0.043
- Celeste #A8DADC ΔE 0.048
Use #B1C8DB 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.