#91AED9
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.5% 0.07 258.1), rgb(145, 174, 217).
Aa
Black text reads best on this color (9.26:1).
About this color
#91AED9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.070 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.045 away. Black text reads best on it, at 9.26:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.26:1 |
| White text | 2.26:1 |
Values
| HEX | #91AED9 |
| RGB | rgb(145, 174, 217) |
| HSL | hsl(216, 49%, 71%) |
| OKLCH | oklch(74.5% 0.07 258.1) |
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 #91AED9 | 2.26:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #91AED9 | 9.26:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #91AED9 text on white | 2.26:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #91AED9 text on black | 9.26:1 | AAA | Lc -57.4 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AFC2DD
oklch(80.8% 0.044 257.1)
-
Step 400
400 (this color)
#91AED9
oklch(74.5% 0.07 258.1)
-
Step 500
500
#678BC0
oklch(63.2% 0.09 257.9)
-
Step 600
600
#4E74AC
oklch(55.6% 0.098 257.9)
-
Step 700
700
#3F6194
oklch(49.1% 0.091 258.3)
-
Step 800
800
#344F78
oklch(42.6% 0.076 258.5)
-
Step 900
900
#2E4261
oklch(37.7% 0.059 258.9)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#91AED9 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) | #9FB0DB | 0.019 |
| Deuteranopia (no green cones) | #97A9D8 | 0.014 |
| Tritanopia (no blue cones) | #7BB7BC | 0.062 |
| Achromatopsia (no color) | #ACACAC | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AED9
#91AED9
oklch(74.5% 0.07 258.1)
- #C5A77A
#C5A77A
oklch(74.4% 0.07 77.5)
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 #91AED9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.045
- Cool Steel #97A7B3 ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.053
- Light Cornflower Blue #98C1D9 ΔE 0.054
- French Gray #ADB5BD ΔE 0.061
- Bluegrey #85A3B2 ΔE 0.061
- Bluey Grey #89A0B0 ΔE 0.064
- Pastel Blue #A2BFFE ΔE 0.067
Use #91AED9 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.