#A4BBEA
Closest named color: Pastel Blue (#A2BFFE). oklch(79.1% 0.072 264.4), rgb(164, 187, 234).
Aa
Black text reads best on this color (10.87:1).
About this color
#A4BBEA is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.072 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.028 away. Black text reads best on it, at 10.87:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.87:1 |
| White text | 1.93:1 |
Values
| HEX | #A4BBEA |
| RGB | rgb(164, 187, 234) |
| HSL | hsl(220, 62%, 78%) |
| OKLCH | oklch(79.1% 0.072 264.4) |
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 #A4BBEA | 1.93:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #A4BBEA | 10.87:1 | AAA | Lc 66.9 | Content text, not long reading |
| #A4BBEA text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #A4BBEA text on black | 10.87:1 | AAA | Lc -65.5 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCD9F4
oklch(88.4% 0.04 265.1)
-
Step 300
300 (this color)
#A4BBEA
oklch(79.1% 0.072 264.4)
-
Step 400
400
#7C9FE9
oklch(70.7% 0.116 264.3)
-
Step 500
500
#5C85E2
oklch(63.1% 0.148 264.6)
-
Step 600
600
#436DD0
oklch(55.7% 0.16 264.5)
-
Step 700
700
#355AB4
oklch(49.1% 0.149 264.7)
-
Step 800
800
#2C4A91
oklch(42.6% 0.123 264.5)
-
Step 900
900
#273F74
oklch(37.7% 0.096 264)
-
Step 950
950
#172544
oklch(27% 0.061 264.4)
#A4BBEA 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) | #ACBEEC | 0.014 |
| Deuteranopia (no green cones) | #A5B8E9 | 0.008 |
| Tritanopia (no blue cones) | #90C4CB | 0.063 |
| Achromatopsia (no color) | #BABABA | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4BBEA
#A4BBEA
oklch(79.1% 0.072 264.4)
- #D1B886
#D1B886
oklch(79.2% 0.072 84.3)
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 #A4BBEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.028
- Light Grey Blue #9DBCD4 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.038
- Carolina Blue #8AB8FE ΔE 0.044
- Sky #82CAFC ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #A4BBEA 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.