#B1C7EA
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.5% 0.055 259.6), rgb(177, 199, 234).
Aa
Black text reads best on this color (12.22:1).
About this color
#B1C7EA is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.055 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.016 away. Black text reads best on it, at 12.22:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.22:1 |
| White text | 1.71:1 |
Values
| HEX | #B1C7EA |
| RGB | rgb(177, 199, 234) |
| HSL | hsl(217, 58%, 81%) |
| OKLCH | oklch(82.5% 0.055 259.6) |
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 #B1C7EA | 1.71:1 | Fails | Lc -34.8 | Non-text elements, placeholder text |
| Black text on #B1C7EA | 12.22:1 | AAA | Lc 72.9 | Content text, not long reading |
| #B1C7EA text on white | 1.71:1 | Fails | Lc 30.9 | Non-text elements, placeholder text |
| #B1C7EA text on black | 12.22:1 | AAA | Lc -71.8 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300 (this color)
#B1C7EA
oklch(82.5% 0.055 259.6)
-
Step 400
400
#80A2D8
oklch(70.8% 0.088 259.5)
-
Step 500
500
#608ACD
oklch(63.2% 0.112 259.4)
-
Step 600
600
#4672BA
oklch(55.5% 0.123 259.8)
-
Step 700
700
#3860A0
oklch(49.2% 0.113 259.4)
-
Step 800
800
#2F4E82
oklch(42.7% 0.094 260.2)
-
Step 900
900
#294168
oklch(37.6% 0.074 259.7)
-
Step 950
950
#19273D
oklch(27.2% 0.046 259.2)
#B1C7EA 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) | #BBC9EC | 0.015 |
| Deuteranopia (no green cones) | #B6C3E9 | 0.011 |
| Tritanopia (no blue cones) | #A2CED2 | 0.049 |
| Achromatopsia (no color) | #C5C5C5 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1C7EA
#B1C7EA
oklch(82.5% 0.055 259.6)
- #D9C29E
#D9C29E
oklch(82.4% 0.055 78.9)
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 #B1C7EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.016
- Light Steel Blue #B0C4DE ΔE 0.017
- Cloudy Blue #ACC2D9 ΔE 0.026
- Baby Blue #A2CFFE ΔE 0.032
- Light Periwinkle #C1C6FC ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.048
Use #B1C7EA 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.