#91C1E3
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.9% 0.07 239.6), rgb(145, 193, 227).
Aa
Black text reads best on this color (10.94:1).
About this color
#91C1E3 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.070 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.016 away. Black text reads best on it, at 10.94:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.94:1 |
| White text | 1.91:1 |
Values
| HEX | #91C1E3 |
| RGB | rgb(145, 193, 227) |
| HSL | hsl(205, 59%, 73%) |
| OKLCH | oklch(78.9% 0.07 239.6) |
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 #91C1E3 | 1.91:1 | Fails | Lc -40.9 | Non-text elements, placeholder text |
| Black text on #91C1E3 | 10.94:1 | AAA | Lc 67.3 | Content text, not long reading |
| #91C1E3 text on white | 1.91:1 | Fails | Lc 36.6 | Non-text elements, placeholder text |
| #91C1E3 text on black | 10.94:1 | AAA | Lc -65.8 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C3DDF1
oklch(88.5% 0.039 241.1)
-
Step 300
300 (this color)
#91C1E3
oklch(78.9% 0.07 239.6)
-
Step 400
400
#58AADF
oklch(70.8% 0.112 239.3)
-
Step 500
500
#0193D6
oklch(63.2% 0.143 239.4)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#022A40
oklch(27.1% 0.059 238.8)
#91C1E3 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) | #B2C0E5 | 0.040 |
| Deuteranopia (no green cones) | #A7B7E2 | 0.035 |
| Tritanopia (no blue cones) | #75CACC | 0.056 |
| Achromatopsia (no color) | #BBBBBB | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C1E3
#91C1E3
oklch(78.9% 0.07 239.6)
- #DDB08D
#DDB08D
oklch(78.9% 0.071 59.4)
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 #91C1E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.016
- Light Grey Blue #9DBCD4 ΔE 0.024
- Lightblue #7BC8F6 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.035
- Sky #82CAFC ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.040
Use #91C1E3 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.