#231C6A#231C6A
#231C6A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.129 H 278.8°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).
Color values
| HEX | #231C6A |
|---|---|
| RGB | rgb(35, 28, 106) |
| HSL | hsl(245, 58%, 26%) |
| HSV | hsv(245, 74%, 42%) |
| CMYK | cmyk(67%, 73.6%, 0%, 58.4%) |
| CIE-LAB | lab(16.64, 28.90, -44.35) |
| CIE-LCH | lch(16.64, 52.93, 303.09°) |
| OKLab | oklab(29.37% 0.0199 -0.1279) |
| OKLCH | oklch(29.37% 0.129 278.8) |
| XYZ | xyz(3.7091, 2.2281, 13.8675) |
| Luminance | 0.0223 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 1.88
Darkblue (survey)
#030764
ΔE00 5.25
Dark Indigo
#1F0954
ΔE00 5.37
Dark Royal Blue
#02066F
ΔE00 5.52
Deep Blue
#040273
ΔE00 6.21
Dark Blue
#00035B
ΔE00 6.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#231C6A #636A1C
analogous
#1C3C6A #231C6A #4A1C6A
triadic
#231C6A #6A231C #1C6A23
tetradic
#231C6A #6A1C3C #636A1C #1C6A4A
square
#231C6A #6A1C3C #636A1C #1C6A4A
split-complementary
#231C6A #6A4A1C #3C6A1C
monochromatic
#080618 #130F3A #231C6A #33299A #4436CA
Accessibility & contrast
On white
14.53
#231C6A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.45
#231C6A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #231C6A
14.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##231C6A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##231C6A | 1.00 | 14.53 | 1.45 | 14.53 |
| #FFFFFF | 14.53 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.53 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002C6C
Deuteranopia (green-blind)
#002669
Tritanopia (blue-blind)
#003140
Achromatopsia (no color)
#292929
Design tokens & code
CSS
--color: #231c6a; /* rgb */ color: rgb(35, 28, 106); /* oklch */ color: oklch(29.4% 0.129 278.8);
Tailwind
colors: {
custom: {
50: '#685995',
500: '#231c6a',
950: '#000000',
},
}SCSS
$custom: #231c6a; $custom-light: #685995; $custom-dark: #000000;
JSON
{
"hex": "#231c6a",
"rgb": {
"r": 35,
"g": 28,
"b": 106
},
"hsl": {
"h": 245.385,
"s": 58.209,
"l": 26.275
},
"oklch": {
"l": 0.29373,
"c": 0.12948,
"h": 278.8
},
"luminance": 0.02228
}Semantic roles & 50–950 ramp
primary
#231C6A
secondary
#979F43
accent
#E146D4
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#07030D
muted
#7A787E