#91BAE1
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.3% 0.071 247.5), rgb(145, 186, 225).
Aa
Black text reads best on this color (10.31:1).
About this color
#91BAE1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.071 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.025 away. Black text reads best on it, at 10.31:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.31:1 |
| White text | 2.03:1 |
Values
| HEX | #91BAE1 |
| RGB | rgb(145, 186, 225) |
| HSL | hsl(209, 57%, 73%) |
| OKLCH | oklch(77.3% 0.071 247.5) |
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 #91BAE1 | 2.03:1 | Fails | Lc -44.1 | Non-text elements, placeholder text |
| Black text on #91BAE1 | 10.31:1 | AAA | Lc 64.4 | Content text, not long reading |
| #91BAE1 text on white | 2.03:1 | Fails | Lc 39.6 | Non-text elements, placeholder text |
| #91BAE1 text on black | 10.31:1 | AAA | Lc -62.8 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#DFEBF7
oklch(93.5% 0.021 248.1)
-
Step 200
200
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300 (this color)
#91BAE1
oklch(77.3% 0.071 247.5)
-
Step 400
400
#63A6E4
oklch(70.6% 0.114 248)
-
Step 500
500
#2E8FDC
oklch(63.2% 0.145 247.2)
-
Step 600
600
#0077C4
oklch(55.5% 0.148 247.6)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#084471
oklch(37.7% 0.095 247.8)
-
Step 950
950
#092842
oklch(26.9% 0.06 247.8)
#91BAE1 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) | #ABBAE3 | 0.033 |
| Deuteranopia (no green cones) | #A1B2E0 | 0.027 |
| Tritanopia (no blue cones) | #77C3C7 | 0.059 |
| Achromatopsia (no color) | #B6B6B6 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BAE1
#91BAE1
oklch(77.3% 0.071 247.5)
- #D4AD84
#D4AD84
oklch(77.3% 0.071 67.9)
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 #91BAE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.025
- Light Cornflower Blue #98C1D9 ΔE 0.027
- Lightblue #7BC8F6 ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.044
- Carolina Blue #8AB8FE ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.048
- Sky #82CAFC ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.050
Use #91BAE1 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.