#276BF0
Closest named color: Cerulean Blue (#056EEE). oklch(56.6% 0.212 261.9), rgb(39, 107, 240).
Aa
White text reads best on this color (4.72:1).
About this color
#276BF0 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.212 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.013 away. White text reads best on it, at 4.72:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.212) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #276BF0 |
| RGB | rgb(39, 107, 240) |
| HSL | hsl(220, 87%, 55%) |
| OKLCH | oklch(56.6% 0.212 261.9) |
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 #276BF0 | 4.72:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #276BF0 | 4.44:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #276BF0 text on white | 4.72:1 | AA | Lc 72.1 | Content text, not long reading |
| #276BF0 text on black | 4.44:1 | AA large text | Lc -29.6 | Dividers and decoration only |
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 600.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C6DAFD
oklch(88.5% 0.053 261.7)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6A9EFF
oklch(70.6% 0.153 261.9)
-
Step 500
500
#4382FD
oklch(63.1% 0.195 262)
-
Step 600
600 (this color)
#276BF0
oklch(56.6% 0.212 261.9)
-
Step 700
700
#1755CE
oklch(49.1% 0.197 262)
-
Step 800
800
#1647A6
oklch(42.8% 0.162 261.8)
-
Step 900
900
#183D84
oklch(37.8% 0.127 261.8)
-
Step 950
950
#0F244D
oklch(27% 0.081 262.1)
#276BF0 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) | #007DF5 | 0.043 |
| Deuteranopia (no green cones) | #006BED | 0.015 |
| Tritanopia (no blue cones) | #008CA3 | 0.162 |
| Achromatopsia (no color) | #737373 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #276BF0
#276BF0
oklch(56.6% 0.212 261.9)
- #986E00
#986E00
oklch(56.6% 0.117 82)
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 #276BF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.013
- Bright Blue #0165FC ΔE 0.028
- Neon Blue #4361EE ΔE 0.028
- Royal Blue #4169E1 ΔE 0.029
- Azul #1D5DEC ΔE 0.035
- Clear Blue #247AFD ΔE 0.040
- Warm Blue #4B57DB ΔE 0.058
- Electric Blue #0652FF ΔE 0.063
Use #276BF0 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.