#234BB0#234BB0
#234BB0 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.9% C 0.168 H 264.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).
Color values
| HEX | #234BB0 |
|---|---|
| RGB | rgb(35, 75, 176) |
| HSL | hsl(223, 67%, 41%) |
| HSV | hsv(223, 80%, 69%) |
| CMYK | cmyk(80.1%, 57.4%, 0%, 31%) |
| CIE-LAB | lab(35.05, 23.94, -57.72) |
| CIE-LCH | lch(35.05, 62.49, 292.53°) |
| OKLab | oklab(44.88% -0.0167 -0.1667) |
| OKLCH | oklch(44.88% 0.168 264.3) |
| XYZ | xyz(11.0429, 8.5228, 42.1289) |
| Luminance | 0.0852 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.19
Sapphire
#0F52BA
ΔE00 3.01
Blue Blue
#2242C7
ΔE00 4.66
Cobalt (survey)
#1E488F
ΔE00 4.81
Dusk Blue
#26538D
ΔE00 6.01
Sapphire (survey)
#2138AB
ΔE00 6.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234BB0 #B08823
analogous
#2392B0 #234BB0 #4223B0
triadic
#234BB0 #B0234B #4BB023
tetradic
#234BB0 #B02392 #B08823 #23B042
square
#234BB0 #B02392 #B08823 #23B042
split-complementary
#234BB0 #B04223 #92B023
monochromatic
#0F1F4A #19357D #234BB0 #3966D8 #6C8DE2
Accessibility & contrast
On white
7.76
#234BB0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.70
#234BB0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234BB0
7.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234BB0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234BB0 | 1.00 | 7.76 | 2.70 | 7.76 |
| #FFFFFF | 7.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059B3
Deuteranopia (green-blind)
#004CAE
Tritanopia (blue-blind)
#006476
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #234bb0; /* rgb */ color: rgb(35, 75, 176); /* oklch */ color: oklch(44.9% 0.168 264.3);
Tailwind
colors: {
custom: {
50: '#757cc8',
500: '#234bb0',
950: '#000000',
},
}SCSS
$custom: #234bb0; $custom-light: #757cc8; $custom-dark: #000000;
JSON
{
"hex": "#234bb0",
"rgb": {
"r": 35,
"g": 75,
"b": 176
},
"hsl": {
"h": 222.979,
"s": 66.825,
"l": 41.373
},
"oklch": {
"l": 0.44876,
"c": 0.16754,
"h": 264.3
},
"luminance": 0.08524
}Semantic roles & 50–950 ramp
primary
#234BB0
secondary
#C8AC67
accent
#B93EEA
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82