#2F6CF9
Closest named color: Cerulean Blue (#056EEE). oklch(57.8% 0.22 263.4), rgb(47, 108, 249).
Aa
Black text reads best on this color (4.63:1).
About this color
#2F6CF9 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.220 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.025 away. Black text reads best on it, at 4.63:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.220) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #2F6CF9 |
| RGB | rgb(47, 108, 249) |
| HSL | hsl(222, 94%, 58%) |
| OKLCH | oklch(57.8% 0.22 263.4) |
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 #2F6CF9 | 4.53:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #2F6CF9 | 4.63:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #2F6CF9 text on white | 4.53:1 | AA | Lc 70.8 | Content text, not long reading |
| #2F6CF9 text on black | 4.63:1 | AA | Lc -30.9 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A1C1FF
oklch(81% 0.095 263.3)
-
Step 400
400
#6E9DFF
oklch(70.6% 0.153 263.6)
-
Step 500
500
#4781FF
oklch(63.2% 0.197 263.3)
-
Step 600
600 (this color)
#2F6CF9
oklch(57.8% 0.22 263.4)
-
Step 700
700
#1D52D2
oklch(49% 0.205 263.5)
-
Step 800
800
#1944AA
oklch(42.6% 0.171 263.5)
-
Step 900
900
#1A3B86
oklch(37.6% 0.132 263.5)
-
Step 950
950
#10234F
oklch(26.9% 0.085 264)
#2F6CF9 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) | #0080FE | 0.047 |
| Deuteranopia (no green cones) | #006DF6 | 0.019 |
| Tritanopia (no blue cones) | #0090A8 | 0.171 |
| Achromatopsia (no color) | #767676 | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6CF9
#2F6CF9
oklch(57.8% 0.22 263.4)
- #9B7200
#9B7200
oklch(57.8% 0.119 83.4)
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 #2F6CF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.025
- Bright Blue #0165FC ΔE 0.028
- Neon Blue #4361EE ΔE 0.031
- Clear Blue #247AFD ΔE 0.033
- Royal Blue #4169E1 ΔE 0.038
- Azul #1D5DEC ΔE 0.044
- Electric Blue #0652FF ΔE 0.064
- Warm Blue #4B57DB ΔE 0.066
Use #2F6CF9 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.