#2257A4#2257A4
#2257A4 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.136 H 258.2°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).
Color values
| HEX | #2257A4 |
|---|---|
| RGB | rgb(34, 87, 164) |
| HSL | hsl(216, 66%, 39%) |
| HSV | hsv(216, 79%, 64%) |
| CMYK | cmyk(79.3%, 47%, 0%, 35.7%) |
| CIE-LAB | lab(37.55, 11.12, -46.55) |
| CIE-LCH | lch(37.55, 47.86, 283.44°) |
| OKLab | oklab(46.5% -0.0278 -0.1336) |
| OKLCH | oklch(46.5% 0.136 258.2) |
| XYZ | xyz(10.7663, 9.8355, 36.4458) |
| Luminance | 0.0984 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.96
Sapphire
#0F52BA
ΔE00 3.35
Denim Blue
#3B5B92
ΔE00 3.46
Light Navy Blue
#2E5A88
ΔE00 3.66
Denim
#1560BD
ΔE00 4.10
Light Navy
#155084
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2257A4 #A46F22
analogous
#2298A4 #2257A4 #2E22A4
triadic
#2257A4 #A42257 #57A422
tetradic
#2257A4 #A42298 #A46F22 #22A42E
square
#2257A4 #A42298 #A46F22 #22A42E
split-complementary
#2257A4 #A42E22 #98A422
monochromatic
#0D213F #173C71 #2257A4 #2F72D4 #6295DE
Accessibility & contrast
On white
7.08
#2257A4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.97
#2257A4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2257A4
7.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2257A4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2257A4 | 1.00 | 7.08 | 2.97 | 7.08 |
| #FFFFFF | 7.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D5FA7
Deuteranopia (green-blind)
#0B53A2
Tritanopia (blue-blind)
#006975
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #2257a4; /* rgb */ color: rgb(34, 87, 164); /* oklch */ color: oklch(46.5% 0.136 258.2);
Tailwind
colors: {
custom: {
50: '#7285bf',
500: '#2257a4',
950: '#000000',
},
}SCSS
$custom: #2257a4; $custom-light: #7285bf; $custom-dark: #000000;
JSON
{
"hex": "#2257a4",
"rgb": {
"r": 34,
"g": 87,
"b": 164
},
"hsl": {
"h": 215.538,
"s": 65.657,
"l": 38.824
},
"oklch": {
"l": 0.46495,
"c": 0.13648,
"h": 258.2
},
"luminance": 0.09837
}Semantic roles & 50–950 ramp
primary
#2257A4
secondary
#C49A5E
accent
#A43FE9
background
#F7F8FB
surface
#EDEFF7
border
#C8CAD0
text
#090B12
muted
#7B7C81