#234AB2#234AB2
#234AB2 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.8% C 0.171 H 264.7°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).
Color values
| HEX | #234AB2 |
|---|---|
| RGB | rgb(35, 74, 178) |
| HSL | hsl(224, 67%, 42%) |
| HSV | hsv(224, 80%, 70%) |
| CMYK | cmyk(80.3%, 58.4%, 0%, 30.2%) |
| CIE-LAB | lab(34.94, 25.38, -59.09) |
| CIE-LCH | lch(34.94, 64.31, 293.25°) |
| OKLab | oklab(44.84% -0.016 -0.1707) |
| OKLCH | oklch(44.84% 0.171 264.7) |
| XYZ | xyz(11.1749, 8.4679, 43.1564) |
| Luminance | 0.0847 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.33
Sapphire
#0F52BA
ΔE00 3.31
Blue Blue
#2242C7
ΔE00 4.17
Cobalt (survey)
#1E488F
ΔE00 5.15
Sapphire (survey)
#2138AB
ΔE00 5.68
Blue (survey)
#0343DF
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234AB2 #B28B23
analogous
#2392B2 #234AB2 #4323B2
triadic
#234AB2 #B2234A #4AB223
tetradic
#234AB2 #B22392 #B28B23 #23B243
square
#234AB2 #B22392 #B28B23 #23B243
split-complementary
#234AB2 #B24323 #92B223
monochromatic
#0F1F4C #19357F #234AB2 #3A65D8 #6D8DE2
Accessibility & contrast
On white
7.80
#234AB2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.69
#234AB2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234AB2
7.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234AB2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234AB2 | 1.00 | 7.80 | 2.69 | 7.80 |
| #FFFFFF | 7.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059B6
Deuteranopia (green-blind)
#004CB0
Tritanopia (blue-blind)
#006476
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #234ab2; /* rgb */ color: rgb(35, 74, 178); /* oklch */ color: oklch(44.8% 0.171 264.7);
Tailwind
colors: {
custom: {
50: '#767cca',
500: '#234ab2',
950: '#000000',
},
}SCSS
$custom: #234ab2; $custom-light: #767cca; $custom-dark: #000000;
JSON
{
"hex": "#234ab2",
"rgb": {
"r": 35,
"g": 74,
"b": 178
},
"hsl": {
"h": 223.636,
"s": 67.136,
"l": 41.765
},
"oklch": {
"l": 0.44844,
"c": 0.17148,
"h": 264.7
},
"luminance": 0.08469
}Semantic roles & 50–950 ramp
primary
#234AB2
secondary
#C9AE68
accent
#BB3EEA
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82