#ABB5FB
Closest named color: Pastel Blue (#A2BFFE). oklch(79.1% 0.1 277.6), rgb(171, 181, 251).
Aa
Black text reads best on this color (10.73:1).
About this color
#ABB5FB is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.100 and its hue 278°. 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 10.73:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.73:1 |
| White text | 1.95:1 |
Values
| HEX | #ABB5FB |
| RGB | rgb(171, 181, 251) |
| HSL | hsl(232, 91%, 83%) |
| OKLCH | oklch(79.1% 0.1 277.6) |
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 #ABB5FB | 1.95:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #ABB5FB | 10.73:1 | AAA | Lc 66.3 | Content text, not long reading |
| #ABB5FB text on white | 1.95:1 | Fails | Lc 37.6 | Non-text elements, placeholder text |
| #ABB5FB text on black | 10.73:1 | AAA | Lc -64.8 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E9FE
oklch(93.7% 0.029 277.2)
-
Step 200
200
#D0D6FE
oklch(88.4% 0.055 278.5)
-
Step 300
300 (this color)
#ABB5FB
oklch(79.1% 0.1 277.6)
-
Step 400
400
#8B95FF
oklch(70.8% 0.154 277.6)
-
Step 500
500
#7175FF
oklch(63.1% 0.201 277.7)
-
Step 600
600
#5C57F1
oklch(55.6% 0.223 277.7)
-
Step 700
700
#4C46D2
oklch(49.1% 0.207 277.4)
-
Step 800
800
#3E3BA9
oklch(42.7% 0.171 277.6)
-
Step 900
900
#343486
oklch(37.7% 0.134 277.8)
-
Step 950
950
#1E204E
oklch(27.1% 0.083 277.4)
#ABB5FB 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) | #A0BCFE | 0.021 |
| Deuteranopia (no green cones) | #9BB6F9 | 0.021 |
| Tritanopia (no blue cones) | #96C2CE | 0.088 |
| Achromatopsia (no color) | #B9B9B9 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ABB5FB
#ABB5FB
oklch(79.1% 0.1 277.6)
- #CCBC6E
#CCBC6E
oklch(79.2% 0.101 98)
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 #ABB5FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.026
- Carolina Blue #8AB8FE ΔE 0.040
- Pale Violet #CEAEFA ΔE 0.050
- Light Periwinkle #C1C6FC ΔE 0.056
- Light Violet #D6B4FC ΔE 0.060
- Lilac #CEA2FD ΔE 0.066
- Pastel Purple #CAA0FF ΔE 0.067
- Light Steel Blue #B0C4DE ΔE 0.067
Use #ABB5FB 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.