#234C8A#234C8A
#234C8A is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.2% C 0.113 H 258.6°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).
Color values
| HEX | #234C8A |
|---|---|
| RGB | rgb(35, 76, 138) |
| HSL | hsl(216, 60%, 34%) |
| HSV | hsv(216, 75%, 54%) |
| CMYK | cmyk(74.6%, 44.9%, 0%, 45.9%) |
| CIE-LAB | lab(32.61, 8.33, -38.73) |
| CIE-LCH | lch(32.61, 39.61, 282.14°) |
| OKLab | oklab(42.16% -0.0223 -0.1108) |
| OKLCH | oklch(42.16% 0.113 258.6) |
| XYZ | xyz(7.8634, 7.3603, 25.0461) |
| Luminance | 0.0736 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.61
Dusk Blue
#26538D
ΔE00 2.43
Light Navy
#155084
ΔE00 3.45
Darkish Blue
#014182
ΔE00 3.79
Twilight Blue
#0A437A
ΔE00 3.79
Prussian Blue
#004577
ΔE00 4.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#234C8A #8A6123
analogous
#23808A #234C8A #2E238A
triadic
#234C8A #8A234C #4C8A23
tetradic
#234C8A #8A2380 #8A6123 #238A2E
square
#234C8A #8A2380 #8A6123 #238A2E
split-complementary
#234C8A #8A2E23 #808A23
monochromatic
#0A1628 #173159 #234C8A #2F67BB #5487D4
Accessibility & contrast
On white
8.49
#234C8A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#234C8A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #234C8A
8.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##234C8A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##234C8A | 1.00 | 8.49 | 2.47 | 8.49 |
| #FFFFFF | 8.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D528C
Deuteranopia (green-blind)
#1A4889
Tritanopia (blue-blind)
#005B64
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #234c8a; /* rgb */ color: rgb(35, 76, 138); /* oklch */ color: oklch(42.2% 0.113 258.6);
Tailwind
colors: {
custom: {
50: '#6c7dac',
500: '#234c8a',
950: '#000000',
},
}SCSS
$custom: #234c8a; $custom-light: #6c7dac; $custom-dark: #000000;
JSON
{
"hex": "#234c8a",
"rgb": {
"r": 35,
"g": 76,
"b": 138
},
"hsl": {
"h": 216.117,
"s": 59.538,
"l": 33.922
},
"oklch": {
"l": 0.42155,
"c": 0.11304,
"h": 258.6
},
"luminance": 0.07361
}Semantic roles & 50–950 ramp
primary
#234C8A
secondary
#B78F51
accent
#A445E3
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080910
muted
#7A7B7F