#234DA8#234DA8
#234DA8 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.154 H 263.0°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).
Color values
| HEX | #234DA8 |
|---|---|
| RGB | rgb(35, 77, 168) |
| HSL | hsl(221, 66%, 40%) |
| HSV | hsv(221, 79%, 66%) |
| CMYK | cmyk(79.2%, 54.2%, 0%, 34.1%) |
| CIE-LAB | lab(34.99, 19.48, -53.06) |
| CIE-LCH | lch(34.99, 56.53, 290.16°) |
| OKLab | oklab(44.64% -0.0187 -0.153) |
| OKLCH | oklch(44.64% 0.154 263) |
| XYZ | xyz(10.4124, 8.4910, 38.1284) |
| Luminance | 0.0849 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.20
Sapphire
#0F52BA
ΔE00 2.83
Cobalt (survey)
#1E488F
ΔE00 3.70
Dusk Blue
#26538D
ΔE00 4.62
Denim Blue
#3B5B92
ΔE00 5.63
Blue Blue
#2242C7
ΔE00 6.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234DA8 #A87E23
analogous
#238FA8 #234DA8 #3C23A8
triadic
#234DA8 #A8234D #4DA823
tetradic
#234DA8 #A8238F #A87E23 #23A83C
square
#234DA8 #A8238F #A87E23 #23A83C
split-complementary
#234DA8 #A83C23 #8FA823
monochromatic
#0E1F43 #183675 #234DA8 #3466D5 #668CDF
Accessibility & contrast
On white
7.78
#234DA8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.70
#234DA8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234DA8
7.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234DA8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234DA8 | 1.00 | 7.78 | 2.70 | 7.78 |
| #FFFFFF | 7.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0159AB
Deuteranopia (green-blind)
#004CA6
Tritanopia (blue-blind)
#006373
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #234da8; /* rgb */ color: rgb(35, 77, 168); /* oklch */ color: oklch(44.6% 0.154 263.0);
Tailwind
colors: {
custom: {
50: '#737ec3',
500: '#234da8',
950: '#000000',
},
}SCSS
$custom: #234da8; $custom-light: #737ec3; $custom-dark: #000000;
JSON
{
"hex": "#234da8",
"rgb": {
"r": 35,
"g": 77,
"b": 168
},
"hsl": {
"h": 221.053,
"s": 65.517,
"l": 39.804
},
"oklch": {
"l": 0.44635,
"c": 0.15411,
"h": 263
},
"luminance": 0.08492
}Semantic roles & 50–950 ramp
primary
#234DA8
secondary
#C5A662
accent
#B33FE8
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#090912
muted
#7B7B81