#234AA3#234AA3
#234AA3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.6% C 0.151 H 263.5°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).
Color values
| HEX | #234AA3 |
|---|---|
| RGB | rgb(35, 74, 163) |
| HSL | hsl(222, 65%, 39%) |
| HSV | hsv(222, 79%, 64%) |
| CMYK | cmyk(78.5%, 54.6%, 0%, 36.1%) |
| CIE-LAB | lab(33.77, 19.54, -52.04) |
| CIE-LCH | lch(33.77, 55.59, 290.58°) |
| OKLab | oklab(43.6% -0.017 -0.15) |
| OKLCH | oklch(43.6% 0.151 263.5) |
| XYZ | xyz(9.7504, 7.8981, 35.6538) |
| Luminance | 0.0790 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.87
Cobalt (survey)
#1E488F
ΔE00 3.02
Sapphire
#0F52BA
ΔE00 3.89
Dusk Blue
#26538D
ΔE00 4.90
Darkish Blue
#014182
ΔE00 5.82
Blue Blue
#2242C7
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234AA3 #A37C23
analogous
#238AA3 #234AA3 #3C23A3
triadic
#234AA3 #A3234A #4AA323
tetradic
#234AA3 #A3238A #A37C23 #23A33C
square
#234AA3 #A3238A #A37C23 #23A33C
split-complementary
#234AA3 #A33C23 #8AA323
monochromatic
#0D1C3E #183371 #234AA3 #3162D3 #6388DD
Accessibility & contrast
On white
8.14
#234AA3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#234AA3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234AA3
8.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234AA3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234AA3 | 1.00 | 8.14 | 2.58 | 8.14 |
| #FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056A6
Deuteranopia (green-blind)
#004AA1
Tritanopia (blue-blind)
#00606F
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #234aa3; /* rgb */ color: rgb(35, 74, 163); /* oklch */ color: oklch(43.6% 0.151 263.5);
Tailwind
colors: {
custom: {
50: '#727bbf',
500: '#234aa3',
950: '#000000',
},
}SCSS
$custom: #234aa3; $custom-light: #727bbf; $custom-dark: #000000;
JSON
{
"hex": "#234aa3",
"rgb": {
"r": 35,
"g": 74,
"b": 163
},
"hsl": {
"h": 221.719,
"s": 64.646,
"l": 38.824
},
"oklch": {
"l": 0.43595,
"c": 0.15098,
"h": 263.5
},
"luminance": 0.07899
}Semantic roles & 50–950 ramp
primary
#234AA3
secondary
#C3A45F
accent
#B540E8
background
#F7F7FB
surface
#EDEDF7
border
#C8C8D0
text
#090912
muted
#7B7B81