#2D71EA
Closest named color: Cerulean Blue (#056EEE). oklch(57.5% 0.196 260.9), rgb(45, 113, 234).
Aa
Black text reads best on this color (4.66:1).
About this color
#2D71EA 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 0.020 away. Black text reads best on it, at 4.66:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #2D71EA |
| RGB | rgb(45, 113, 234) |
| HSL | hsl(218, 82%, 55%) |
| OKLCH | oklch(57.5% 0.196 260.9) |
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 #2D71EA | 4.50:1 | AA | Lc -76.2 | Fine for body text |
| Black text on #2D71EA | 4.66:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #2D71EA text on white | 4.50:1 | AA | Lc 70.7 | Content text, not long reading |
| #2D71EA text on black | 4.66:1 | AA | Lc -31.0 | 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
#E0EAFB
oklch(93.5% 0.025 261.1)
-
Step 200
200
#C7DAFA
oklch(88.4% 0.049 260.9)
-
Step 300
300
#A1C2FA
oklch(81% 0.087 260.8)
-
Step 400
400
#6D9FF8
oklch(70.6% 0.142 261.2)
-
Step 500
500
#4684F4
oklch(63% 0.18 261.1)
-
Step 600
600 (this color)
#2D71EA
oklch(57.5% 0.196 260.9)
-
Step 700
700
#1A58C6
oklch(49.1% 0.183 261)
-
Step 800
800
#1849A0
oklch(42.8% 0.151 261)
-
Step 900
900
#1A3E7F
oklch(37.7% 0.118 261.1)
-
Step 950
950
#10254A
oklch(27% 0.074 260.8)
#2D71EA 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) | #1880EE | 0.037 |
| Deuteranopia (no green cones) | #006EE8 | 0.020 |
| Tritanopia (no blue cones) | #008FA3 | 0.151 |
| Achromatopsia (no color) | #777777 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D71EA
#2D71EA
oklch(57.5% 0.196 260.9)
- #9C7000
#9C7000
oklch(57.5% 0.119 81.2)
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 #2D71EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.020
- Royal Blue #4169E1 ΔE 0.025
- Clear Blue #247AFD ΔE 0.034
- Neon Blue #4361EE ΔE 0.039
- Bright Blue #0165FC ΔE 0.045
- Azul #1D5DEC ΔE 0.051
- Warm Blue #4B57DB ΔE 0.065
- Cornflower #6A79F7 ΔE 0.071
Use #2D71EA 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.