#2B6CEA
Closest named color: Cerulean Blue (#056EEE). oklch(56.5% 0.202 261.8), rgb(43, 108, 234).
Aa
White text reads best on this color (4.73:1).
About this color
#2B6CEA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.202 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.015 away. White text reads best on it, at 4.73:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #2B6CEA |
| RGB | rgb(43, 108, 234) |
| HSL | hsl(220, 82%, 54%) |
| OKLCH | oklch(56.5% 0.202 261.8) |
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 #2B6CEA | 4.73:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #2B6CEA | 4.43:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #2B6CEA text on white | 4.73:1 | AA | Lc 72.2 | Content text, not long reading |
| #2B6CEA text on black | 4.43:1 | AA large text | Lc -29.4 | 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
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C1FC
oklch(80.8% 0.091 261.8)
-
Step 400
400
#6D9FFB
oklch(70.8% 0.146 261.8)
-
Step 500
500
#4683F8
oklch(63% 0.186 261.9)
-
Step 600
600 (this color)
#2B6CEA
oklch(56.5% 0.202 261.8)
-
Step 700
700
#1C57C9
oklch(49.2% 0.188 261.8)
-
Step 800
800
#1948A2
oklch(42.8% 0.155 261.7)
-
Step 900
900
#1A3D81
oklch(37.7% 0.122 261.9)
-
Step 950
950
#10244B
oklch(26.8% 0.077 262.1)
#2B6CEA 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) | #007CEE | 0.039 |
| Deuteranopia (no green cones) | #006BE8 | 0.017 |
| Tritanopia (no blue cones) | #008BA0 | 0.156 |
| Achromatopsia (no color) | #737373 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B6CEA
#2B6CEA
oklch(56.5% 0.202 261.8)
- #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 #2B6CEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.015
- Royal Blue #4169E1 ΔE 0.021
- Neon Blue #4361EE ΔE 0.030
- Bright Blue #0165FC ΔE 0.037
- Azul #1D5DEC ΔE 0.039
- Clear Blue #247AFD ΔE 0.043
- Warm Blue #4B57DB ΔE 0.056
- Electric Blue #0652FF ΔE 0.070
Use #2B6CEA 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.