#90ACE2
Closest named color: Carolina Blue (#8AB8FE). oklch(74.3% 0.085 263.2), rgb(144, 172, 226).
Aa
Black text reads best on this color (9.18:1).
About this color
#90ACE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.085 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.044 away. Black text reads best on it, at 9.18:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.18:1 |
| White text | 2.28:1 |
Values
| HEX | #90ACE2 |
| RGB | rgb(144, 172, 226) |
| HSL | hsl(220, 59%, 73%) |
| OKLCH | oklch(74.3% 0.085 263.2) |
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 #90ACE2 | 2.28:1 | Fails | Lc -49.9 | Large or bold text, headings |
| Black text on #90ACE2 | 9.18:1 | AAA | Lc 58.9 | Large or bold text, headings |
| #90ACE2 text on white | 2.28:1 | Fails | Lc 45.0 | Large or bold text, headings |
| #90ACE2 text on black | 9.18:1 | AAA | Lc -57.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAED
oklch(88.6% 0.029 261.5)
-
Step 300
300
#AFC1E4
oklch(80.9% 0.053 263.7)
-
Step 400
400 (this color)
#90ACE2
oklch(74.3% 0.085 263.2)
-
Step 500
500
#6788CB
oklch(63% 0.108 263.6)
-
Step 600
600
#4E71B8
oklch(55.6% 0.118 263.2)
-
Step 700
700
#3F5E9E
oklch(49% 0.109 263.4)
-
Step 800
800
#344D80
oklch(42.6% 0.09 263.3)
-
Step 900
900
#2E4167
oklch(37.8% 0.07 263.2)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#90ACE2 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) | #9AB0E4 | 0.018 |
| Deuteranopia (no green cones) | #91A8E1 | 0.010 |
| Tritanopia (no blue cones) | #76B7BE | 0.076 |
| Achromatopsia (no color) | #ABABAB | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90ACE2
#90ACE2
oklch(74.3% 0.085 263.2)
- #C6A76D
#C6A76D
oklch(74.3% 0.084 82.4)
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 #90ACE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.057
- Pastel Blue #A2BFFE ΔE 0.064
- Light Cornflower Blue #98C1D9 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.067
- Periwinkle Blue #8F99FB ΔE 0.070
- Bluegrey #85A3B2 ΔE 0.072
- Lightblue #7BC8F6 ΔE 0.073
Use #90ACE2 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.