#2E73EC
Closest named color: Cerulean Blue (#056EEE). oklch(58.1% 0.196 260.8), rgb(46, 115, 236).
Aa
Black text reads best on this color (4.77:1).
About this color
#2E73EC is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.196 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.023 away. Black text reads best on it, at 4.77:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #2E73EC |
| RGB | rgb(46, 115, 236) |
| HSL | hsl(218, 83%, 55%) |
| OKLCH | oklch(58.1% 0.196 260.8) |
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 #2E73EC | 4.39:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #2E73EC | 4.77:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #2E73EC text on white | 4.39:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #2E73EC text on black | 4.77:1 | AA | Lc -31.8 | 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 600.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAFA
oklch(88.4% 0.049 260.9)
-
Step 300
300
#A0C2FA
oklch(80.9% 0.088 260.2)
-
Step 400
400
#6DA0F8
oklch(70.8% 0.141 260.7)
-
Step 500
500
#4585F4
oklch(63.1% 0.179 260.6)
-
Step 600
600 (this color)
#2E73EC
oklch(58.1% 0.196 260.8)
-
Step 700
700
#1958C5
oklch(49% 0.182 260.8)
-
Step 800
800
#1749A0
oklch(42.7% 0.151 260.8)
-
Step 900
900
#193E7F
oklch(37.7% 0.118 260.7)
-
Step 950
950
#10254A
oklch(27% 0.074 260.8)
#2E73EC 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) | #1E81F0 | 0.035 |
| Deuteranopia (no green cones) | #0070EA | 0.021 |
| Tritanopia (no blue cones) | #0091A4 | 0.153 |
| Achromatopsia (no color) | #787878 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E73EC
#2E73EC
oklch(58.1% 0.196 260.8)
- #9F7100
#9F7100
oklch(58% 0.12 80.3)
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 #2E73EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.023
- Clear Blue #247AFD ΔE 0.029
- Royal Blue #4169E1 ΔE 0.029
- Neon Blue #4361EE ΔE 0.043
- Bright Blue #0165FC ΔE 0.048
- Azul #1D5DEC ΔE 0.056
- Cornflower #6A79F7 ΔE 0.067
- Warm Blue #4B57DB ΔE 0.070
Use #2E73EC 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.