#234CA9#234CA9
#234CA9 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.5% C 0.157 H 263.4°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).
Color values
| HEX | #234CA9 |
|---|---|
| RGB | rgb(35, 76, 169) |
| HSL | hsl(222, 66%, 40%) |
| HSV | hsv(222, 79%, 66%) |
| CMYK | cmyk(79.3%, 55%, 0%, 33.7%) |
| CIE-LAB | lab(34.78, 20.54, -53.99) |
| CIE-LCH | lch(34.78, 57.77, 290.83°) |
| OKLab | oklab(44.5% -0.0179 -0.1557) |
| OKLCH | oklch(44.5% 0.157 263.4) |
| XYZ | xyz(10.4365, 8.3896, 38.5977) |
| Luminance | 0.0839 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.00
Sapphire
#0F52BA
ΔE00 3.00
Cobalt (survey)
#1E488F
ΔE00 3.81
Dusk Blue
#26538D
ΔE00 4.99
Blue Blue
#2242C7
ΔE00 5.78
Denim Blue
#3B5B92
ΔE00 5.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234CA9 #A98023
analogous
#238FA9 #234CA9 #3D23A9
triadic
#234CA9 #A9234C #4CA923
tetradic
#234CA9 #A9238F #A98023 #23A93D
square
#234CA9 #A9238F #A98023 #23A93D
split-complementary
#234CA9 #A93D23 #8FA923
monochromatic
#0E1E44 #193576 #234CA9 #3465D5 #678CDF
Accessibility & contrast
On white
7.84
#234CA9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#234CA9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234CA9
7.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234CA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234CA9 | 1.00 | 7.84 | 2.68 | 7.84 |
| #FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058AC
Deuteranopia (green-blind)
#004CA7
Tritanopia (blue-blind)
#006373
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #234ca9; /* rgb */ color: rgb(35, 76, 169); /* oklch */ color: oklch(44.5% 0.157 263.4);
Tailwind
colors: {
custom: {
50: '#747dc3',
500: '#234ca9',
950: '#000000',
},
}SCSS
$custom: #234ca9; $custom-light: #747dc3; $custom-dark: #000000;
JSON
{
"hex": "#234ca9",
"rgb": {
"r": 35,
"g": 76,
"b": 169
},
"hsl": {
"h": 221.642,
"s": 65.686,
"l": 40
},
"oklch": {
"l": 0.44504,
"c": 0.15675,
"h": 263.4
},
"luminance": 0.08391
}Semantic roles & 50–950 ramp
primary
#234CA9
secondary
#C5A763
accent
#B53FE9
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#090913
muted
#7B7B82