#91ACF2
Closest named color: Carolina Blue (#8AB8FE). oklch(75.1% 0.106 267.7), rgb(145, 172, 242).
Aa
Black text reads best on this color (9.38:1).
About this color
#91ACF2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.106 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.032 away. Black text reads best on it, at 9.38:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.38:1 |
| White text | 2.23:1 |
Values
| HEX | #91ACF2 |
| RGB | rgb(145, 172, 242) |
| HSL | hsl(223, 79%, 76%) |
| OKLCH | oklch(75.1% 0.106 267.7) |
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 #91ACF2 | 2.23:1 | Fails | Lc -48.8 | Large or bold text, headings |
| Black text on #91ACF2 | 9.38:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #91ACF2 text on white | 2.23:1 | Fails | Lc 44.0 | Non-text elements, placeholder text |
| #91ACF2 text on black | 9.38:1 | AAA | Lc -58.1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#AEC0EC
oklch(80.9% 0.066 267.5)
-
Step 400
400 (this color)
#91ACF2
oklch(75.1% 0.106 267.7)
-
Step 500
500
#6684DB
oklch(63% 0.136 268)
-
Step 600
600
#4E6CC9
oklch(55.6% 0.148 267.9)
-
Step 700
700
#3F5AAD
oklch(49.1% 0.136 267.6)
-
Step 800
800
#344A8C
oklch(42.7% 0.112 267.6)
-
Step 900
900
#2D3E70
oklch(37.6% 0.088 267.9)
-
Step 950
950
#1A2542
oklch(27% 0.056 266.9)
#91ACF2 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) | #94B2F5 | 0.016 |
| Deuteranopia (no green cones) | #8BA9F0 | 0.012 |
| Tritanopia (no blue cones) | #71BAC5 | 0.094 |
| Achromatopsia (no color) | #ADADAD | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91ACF2
#91ACF2
oklch(75.1% 0.106 267.7)
- #CBAA5B
#CBAA5B
oklch(75.1% 0.106 87.1)
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 #91ACF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.032
- Periwinkle Blue #8F99FB ΔE 0.055
- Pastel Blue #A2BFFE ΔE 0.056
- Light Grey Blue #9DBCD4 ΔE 0.072
- Lightblue #7BC8F6 ΔE 0.075
- Sky #82CAFC ΔE 0.077
- Light Cornflower Blue #98C1D9 ΔE 0.077
- Perrywinkle #8F8CE7 ΔE 0.082
Use #91ACF2 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.