#ACC1FB
Closest named color: Pastel Blue (#A2BFFE). oklch(81.6% 0.085 269), rgb(172, 193, 251).
Aa
Black text reads best on this color (11.77:1).
About this color
#ACC1FB is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.085 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.015 away. Black text reads best on it, at 11.77:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.77:1 |
| White text | 1.78:1 |
Values
| HEX | #ACC1FB |
| RGB | rgb(172, 193, 251) |
| HSL | hsl(224, 91%, 83%) |
| OKLCH | oklch(81.6% 0.085 269) |
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 #ACC1FB | 1.78:1 | Fails | Lc -36.9 | Non-text elements, placeholder text |
| Black text on #ACC1FB | 11.77:1 | AAA | Lc 71.0 | Content text, not long reading |
| #ACC1FB text on white | 1.78:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #ACC1FB text on black | 11.77:1 | AAA | Lc -69.8 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9FA
oklch(88.6% 0.048 268.4)
-
Step 300
300 (this color)
#ACC1FB
oklch(81.6% 0.085 269)
-
Step 400
400
#7E9BF6
oklch(70.7% 0.137 269.3)
-
Step 500
500
#5F7FF2
oklch(63% 0.175 269.2)
-
Step 600
600
#4866E0
oklch(55.7% 0.189 269)
-
Step 700
700
#3A53C3
oklch(49% 0.177 269.3)
-
Step 800
800
#2F459E
oklch(42.7% 0.147 268.9)
-
Step 900
900
#293B7D
oklch(37.6% 0.114 268.9)
-
Step 950
950
#182349
oklch(26.9% 0.072 269)
#ACC1FB 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) | #AFC6FE | 0.014 |
| Deuteranopia (no green cones) | #A8BFFA | 0.008 |
| Tritanopia (no blue cones) | #96CCD5 | 0.076 |
| Achromatopsia (no color) | #C2C2C2 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC1FB
#ACC1FB
oklch(81.6% 0.085 269)
- #D9C082
#D9C082
oklch(81.5% 0.085 88.5)
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 #ACC1FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.015
- Light Periwinkle #C1C6FC ΔE 0.032
- Baby Blue #A2CFFE ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.049
- Sky #82CAFC ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.050
Use #ACC1FB 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.