#91ACE2
Closest named color: Carolina Blue (#8AB8FE). oklch(74.4% 0.084 263.9), rgb(145, 172, 226).
Aa
Black text reads best on this color (9.20:1).
About this color
#91ACE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.084 and its hue 264°. 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 9.20:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.20:1 |
| White text | 2.28:1 |
Values
| HEX | #91ACE2 |
| RGB | rgb(145, 172, 226) |
| HSL | hsl(220, 58%, 73%) |
| OKLCH | oklch(74.4% 0.084 263.9) |
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 #91ACE2 | 2.28:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #91ACE2 | 9.20:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #91ACE2 text on white | 2.28:1 | Fails | Lc 45.0 | Non-text elements, placeholder text |
| #91ACE2 text on black | 9.20:1 | AAA | Lc -57.2 | 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#CFD9ED
oklch(88.4% 0.03 264.4)
-
Step 300
300
#AFC1E3
oklch(80.9% 0.052 263.1)
-
Step 400
400 (this color)
#91ACE2
oklch(74.4% 0.084 263.9)
-
Step 500
500
#6888CB
oklch(63.1% 0.108 264.1)
-
Step 600
600
#4F71B7
oklch(55.6% 0.116 263.5)
-
Step 700
700
#405E9E
oklch(49% 0.109 263.9)
-
Step 800
800
#354D80
oklch(42.6% 0.09 263.9)
-
Step 900
900
#2E4167
oklch(37.8% 0.07 263.2)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#91ACE2 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 | 0.017 |
| Deuteranopia (no green cones) | #92A8E1 | 0.010 |
| Tritanopia (no blue cones) | #78B7BE | 0.076 |
| Achromatopsia (no color) | #ACACAC | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91ACE2
#91ACE2
oklch(74.4% 0.084 263.9)
- #C5A86D
#C5A86D
oklch(74.4% 0.084 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 #91ACE2, 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 0.063
- 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 #91ACE2 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.