#234A8A#234A8A
#234A8A is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.7% C 0.116 H 259.8°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).
Color values
| HEX | #234A8A |
|---|---|
| RGB | rgb(35, 74, 138) |
| HSL | hsl(217, 60%, 34%) |
| HSV | hsv(217, 75%, 54%) |
| CMYK | cmyk(74.6%, 46.4%, 0%, 45.9%) |
| CIE-LAB | lab(32.01, 9.67, -39.70) |
| CIE-LCH | lch(32.01, 40.86, 283.70°) |
| OKLab | oklab(41.69% -0.0204 -0.1137) |
| OKLCH | oklch(41.69% 0.116 259.8) |
| XYZ | xyz(7.7277, 7.0890, 25.0009) |
| Luminance | 0.0709 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.02
Dusk Blue
#26538D
ΔE00 3.17
Darkish Blue
#014182
ΔE00 3.41
Twilight Blue
#0A437A
ΔE00 3.63
Light Navy
#155084
ΔE00 4.09
Cobalt
#0047AB
ΔE00 4.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234A8A #8A6323
analogous
#237E8A #234A8A #30238A
triadic
#234A8A #8A234A #4A8A23
tetradic
#234A8A #8A237E #8A6323 #238A30
square
#234A8A #8A237E #8A6323 #238A30
split-complementary
#234A8A #8A3023 #7E8A23
monochromatic
#0A1628 #173059 #234A8A #2F64BB #5484D4
Accessibility & contrast
On white
8.68
#234A8A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#234A8A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234A8A
8.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234A8A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234A8A | 1.00 | 8.68 | 2.42 | 8.68 |
| #FFFFFF | 8.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#29508C
Deuteranopia (green-blind)
#144789
Tritanopia (blue-blind)
#005963
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #234a8a; /* rgb */ color: rgb(35, 74, 138); /* oklch */ color: oklch(41.7% 0.116 259.8);
Tailwind
colors: {
custom: {
50: '#6c7cac',
500: '#234a8a',
950: '#000000',
},
}SCSS
$custom: #234a8a; $custom-light: #6c7cac; $custom-dark: #000000;
JSON
{
"hex": "#234a8a",
"rgb": {
"r": 35,
"g": 74,
"b": 138
},
"hsl": {
"h": 217.282,
"s": 59.538,
"l": 33.922
},
"oklch": {
"l": 0.41688,
"c": 0.11552,
"h": 259.8
},
"luminance": 0.0709
}Semantic roles & 50–950 ramp
primary
#234A8A
secondary
#B79151
accent
#A745E3
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080910
muted
#7A7B7F