#ACC1EF
Closest named color: Pastel Blue (#A2BFFE). oklch(81.1% 0.069 265.7), rgb(172, 193, 239).
Aa
Black text reads best on this color (11.62:1).
About this color
#ACC1EF is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.069 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.026 away. Black text reads best on it, at 11.62:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.62:1 |
| White text | 1.80:1 |
Values
| HEX | #ACC1EF |
| RGB | rgb(172, 193, 239) |
| HSL | hsl(221, 68%, 81%) |
| OKLCH | oklch(81.1% 0.069 265.7) |
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 #ACC1EF | 1.80:1 | Fails | Lc -37.6 | Non-text elements, placeholder text |
| Black text on #ACC1EF | 11.62:1 | AAA | Lc 70.3 | Content text, not long reading |
| #ACC1EF text on white | 1.80:1 | Fails | Lc 33.6 | Non-text elements, placeholder text |
| #ACC1EF text on black | 11.62:1 | AAA | Lc -69.1 | 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
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300 (this color)
#ACC1EF
oklch(81.1% 0.069 265.7)
-
Step 400
400
#809FE6
oklch(70.8% 0.11 265.7)
-
Step 500
500
#6085DF
oklch(63.1% 0.142 265.7)
-
Step 600
600
#486DCC
oklch(55.6% 0.153 265.7)
-
Step 700
700
#395AB1
oklch(49% 0.144 265.7)
-
Step 800
800
#2F4A8F
oklch(42.6% 0.119 265.6)
-
Step 900
900
#2A3F72
oklch(37.8% 0.091 265.4)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#ACC1EF 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) | #B2C4F1 | 0.012 |
| Deuteranopia (no green cones) | #ACBEEE | 0.008 |
| Tritanopia (no blue cones) | #9ACAD0 | 0.062 |
| Achromatopsia (no color) | #C1C1C1 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC1EF
#ACC1EF
oklch(81.1% 0.069 265.7)
- #D5BF8E
#D5BF8E
oklch(81.1% 0.069 86.6)
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 #ACC1EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.036
- Light Periwinkle #C1C6FC ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Light Grey Blue #9DBCD4 ΔE 0.044
Use #ACC1EF 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.