#2C91F8
Closest named color: Dodger Blue (#1E90FF). oklch(65.2% 0.178 253), rgb(44, 145, 248).
Aa
Black text reads best on this color (6.51:1).
About this color
#2C91F8 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.178 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.012 away. Black text reads best on it, at 6.51:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #2C91F8 |
| RGB | rgb(44, 145, 248) |
| HSL | hsl(210, 94%, 57%) |
| OKLCH | oklch(65.2% 0.178 253) |
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 #2C91F8 | 3.22:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #2C91F8 | 6.51:1 | AA | Lc 45.1 | Large or bold text, headings |
| #2C91F8 text on white | 3.22:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #2C91F8 text on black | 6.51:1 | AA | Lc -42.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEEBFB
oklch(93.5% 0.026 253.6)
-
Step 200
200
#C3DCF9
oklch(88.5% 0.048 252.2)
-
Step 300
300
#99C4F8
oklch(80.8% 0.087 253.5)
-
Step 400
400
#5DA4F5
oklch(70.8% 0.139 253.1)
-
Step 500
500 (this color)
#2C91F8
oklch(65.2% 0.178 253)
-
Step 600
600
#0073D3
oklch(55.6% 0.171 252.9)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800
#004F94
oklch(42.8% 0.131 252.8)
-
Step 900
900
#00417D
oklch(37.6% 0.117 253.3)
-
Step 950
950
#062749
oklch(27.1% 0.073 252.8)
#2C91F8 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) | #5D99FC | 0.045 |
| Deuteranopia (no green cones) | #3887F6 | 0.025 |
| Tritanopia (no blue cones) | #00AAB8 | 0.133 |
| Achromatopsia (no color) | #8F8F8F | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C91F8
#2C91F8
oklch(65.2% 0.178 253)
- #C28000
#C28000
oklch(65.2% 0.139 73.1)
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 #2C91F8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.012
- Chefchaouen Blue #4895EF ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.031
- Soft Blue #6488EA ΔE 0.048
- Cornflower Blue #6495ED ΔE 0.049
- Clear Blue #247AFD ΔE 0.061
- Water Blue #0E87CC ΔE 0.071
- Cornflower #6A79F7 ΔE 0.073
Use #2C91F8 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.