#B5CCF9
Closest named color: Light Periwinkle (#C1C6FC). oklch(84.3% 0.068 263.7), rgb(181, 204, 249).
Aa
Black text reads best on this color (12.96:1).
About this color
#B5CCF9 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.068 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.022 away. Black text reads best on it, at 12.96:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.96:1 |
| White text | 1.61:1 |
Values
| HEX | #B5CCF9 |
| RGB | rgb(181, 204, 249) |
| HSL | hsl(220, 85%, 84%) |
| OKLCH | oklch(84.3% 0.068 263.7) |
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 #B5CCF9 | 1.61:1 | Fails | Lc -31.3 | Non-text elements, placeholder text |
| Black text on #B5CCF9 | 12.96:1 | AAA | Lc 76.1 | Fine for body text |
| #B5CCF9 text on white | 1.61:1 | Fails | Lc 27.7 | Dividers and decoration only |
| #B5CCF9 text on black | 12.96:1 | AAA | Lc -75.2 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCDAF3
oklch(88.6% 0.038 262.1)
-
Step 300
300 (this color)
#B5CCF9
oklch(84.3% 0.068 263.7)
-
Step 400
400
#7DA0E5
oklch(70.8% 0.109 263.3)
-
Step 500
500
#5D86DD
oklch(63% 0.139 263.8)
-
Step 600
600
#446ECB
oklch(55.6% 0.152 263.9)
-
Step 700
700
#365CAF
oklch(49.2% 0.139 263.6)
-
Step 800
800
#2D4B8E
oklch(42.7% 0.117 264)
-
Step 900
900
#283F71
oklch(37.6% 0.091 264)
-
Step 950
950
#182542
oklch(26.9% 0.057 264.6)
#B5CCF9 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) | #BDCFFB | 0.014 |
| Deuteranopia (no green cones) | #B7C8F8 | 0.010 |
| Tritanopia (no blue cones) | #A3D5DB | 0.060 |
| Achromatopsia (no color) | #CBCBCB | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CCF9
#B5CCF9
oklch(84.3% 0.068 263.7)
- #E1C899
#E1C899
oklch(84.2% 0.068 83)
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 #B5CCF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.022
- Baby Blue #A2CFFE ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.040
- Pastel Blue #A2BFFE ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.049
- Light Blue #ADD8E6 ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.051
Use #B5CCF9 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.