#2F6CF0
Closest named color: Cerulean Blue (#056EEE). oklch(57% 0.209 262.9), rgb(47, 108, 240).
Aa
White text reads best on this color (4.64:1).
About this color
#2F6CF0 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.209 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.017 away. White text reads best on it, at 4.64:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.209) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #2F6CF0 |
| RGB | rgb(47, 108, 240) |
| HSL | hsl(221, 87%, 56%) |
| OKLCH | oklch(57% 0.209 262.9) |
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 #2F6CF0 | 4.64:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #2F6CF0 | 4.52:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #2F6CF0 text on white | 4.64:1 | AA | Lc 71.6 | Content text, not long reading |
| #2F6CF0 text on black | 4.52:1 | AA | Lc -30.1 | 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
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C7DAFD
oklch(88.5% 0.053 262.7)
-
Step 300
300
#A1C1FE
oklch(81% 0.094 263)
-
Step 400
400
#6D9EFE
oklch(70.7% 0.151 262.7)
-
Step 500
500
#4782FC
oklch(63.1% 0.192 262.8)
-
Step 600
600 (this color)
#2F6CF0
oklch(57% 0.209 262.9)
-
Step 700
700
#1E55CC
oklch(49.1% 0.194 262.8)
-
Step 800
800
#1B46A5
oklch(42.6% 0.161 263)
-
Step 900
900
#1B3C83
oklch(37.6% 0.126 263)
-
Step 950
950
#10244D
oklch(27% 0.08 262.7)
#2F6CF0 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) | #007EF5 | 0.044 |
| Deuteranopia (no green cones) | #006CED | 0.019 |
| Tritanopia (no blue cones) | #008DA3 | 0.163 |
| Achromatopsia (no color) | #747474 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6CF0
#2F6CF0
oklch(57% 0.209 262.9)
- #997000
#997000
oklch(57.1% 0.117 83.1)
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 #2F6CF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.017
- Royal Blue #4169E1 ΔE 0.026
- Neon Blue #4361EE ΔE 0.027
- Bright Blue #0165FC ΔE 0.033
- Clear Blue #247AFD ΔE 0.037
- Azul #1D5DEC ΔE 0.040
- Warm Blue #4B57DB ΔE 0.058
- Electric Blue #0652FF ΔE 0.068
Use #2F6CF0 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.