#2F6FEA
Closest named color: Cerulean Blue (#056EEE). oklch(57.2% 0.198 261.8), rgb(47, 111, 234).
Aa
Black text reads best on this color (4.58:1).
About this color
#2F6FEA is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.198 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.019 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.58:1 |
| White text | 4.58:1 |
Values
| HEX | #2F6FEA |
| RGB | rgb(47, 111, 234) |
| HSL | hsl(219, 82%, 55%) |
| OKLCH | oklch(57.2% 0.198 261.8) |
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 #2F6FEA | 4.58:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #2F6FEA | 4.58:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #2F6FEA text on white | 4.58:1 | AA | Lc 71.3 | Content text, not long reading |
| #2F6FEA text on black | 4.58:1 | AA | Lc -30.4 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A1C1FB
oklch(80.8% 0.09 262.1)
-
Step 400
400
#6E9FF9
oklch(70.7% 0.143 261.7)
-
Step 500
500
#4884F6
oklch(63.2% 0.182 261.8)
-
Step 600
600 (this color)
#2F6FEA
oklch(57.2% 0.198 261.8)
-
Step 700
700
#1D57C7
oklch(49.1% 0.185 261.8)
-
Step 800
800
#1A48A1
oklch(42.7% 0.153 261.8)
-
Step 900
900
#1B3E7F
oklch(37.8% 0.118 261.4)
-
Step 950
950
#11254B
oklch(27.1% 0.075 261.8)
#2F6FEA 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) | #0A7EEE | 0.037 |
| Deuteranopia (no green cones) | #006DE8 | 0.021 |
| Tritanopia (no blue cones) | #008DA2 | 0.152 |
| Achromatopsia (no color) | #757575 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6FEA
#2F6FEA
oklch(57.2% 0.198 261.8)
- #9A6F00
#9A6F00
oklch(57% 0.118 81.6)
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 #2F6FEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.019
- Royal Blue #4169E1 ΔE 0.022
- Neon Blue #4361EE ΔE 0.035
- Clear Blue #247AFD ΔE 0.037
- Bright Blue #0165FC ΔE 0.043
- Azul #1D5DEC ΔE 0.047
- Warm Blue #4B57DB ΔE 0.061
- Cornflower #6A79F7 ΔE 0.072
Use #2F6FEA 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.