#2779F6
Closest named color: Clear Blue (#247AFD). oklch(59.9% 0.203 259.3), rgb(39, 121, 246).
Aa
Black text reads best on this color (5.15:1).
About this color
#2779F6 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.203 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.011 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.203) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #2779F6 |
| RGB | rgb(39, 121, 246) |
| HSL | hsl(216, 92%, 56%) |
| OKLCH | oklch(59.9% 0.203 259.3) |
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 #2779F6 | 4.07:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #2779F6 | 5.15:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #2779F6 text on white | 4.07:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #2779F6 text on black | 5.15:1 | AA | Lc -34.3 | 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 500.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C4DBFE
oklch(88.6% 0.054 258.7)
-
Step 300
300
#9BC2FF
oklch(80.8% 0.097 259.2)
-
Step 400
400
#64A0FF
oklch(70.8% 0.153 259.2)
-
Step 500
500 (this color)
#2779F6
oklch(59.9% 0.203 259.3)
-
Step 600
600
#0069F0
oklch(55.7% 0.219 259.3)
-
Step 700
700
#0058CB
oklch(49.1% 0.193 259.2)
-
Step 800
800
#0047A8
oklch(42.6% 0.168 259.4)
-
Step 900
900
#0C3D86
oklch(37.6% 0.133 259.3)
-
Step 950
950
#0A254E
oklch(27.1% 0.082 258.9)
#2779F6 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) | #2187FA | 0.035 |
| Deuteranopia (no green cones) | #0075F4 | 0.018 |
| Tritanopia (no blue cones) | #0098AC | 0.156 |
| Achromatopsia (no color) | #7E7E7E | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2779F6
#2779F6
oklch(59.9% 0.203 259.3)
- #A77600
#A77600
oklch(60% 0.124 79.6)
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 #2779F6, closest first.
No curated palette has a color within ΔE 0.04 of #2779F6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.011
- Cerulean Blue #056EEE ΔE 0.034
- Royal Blue #4169E1 ΔE 0.048
- Bright Blue #0165FC ΔE 0.054
- Neon Blue #4361EE ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.058
- Cornflower #6A79F7 ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.070
Use #2779F6 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.