#3237B8#3237B8
#3237B8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.198 H 272.6°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).
Color values
| HEX | #3237B8 |
|---|---|
| RGB | rgb(50, 55, 184) |
| HSL | hsl(238, 57%, 46%) |
| HSV | hsv(238, 73%, 72%) |
| CMYK | cmyk(72.8%, 70.1%, 0%, 27.8%) |
| CIE-LAB | lab(31.51, 41.30, -68.23) |
| CIE-LCH | lch(31.51, 79.76, 301.18°) |
| OKLab | oklab(42.67% 0.0091 -0.1974) |
| OKLCH | oklch(42.67% 0.198 272.6) |
| XYZ | xyz(11.3304, 6.8700, 46.0670) |
| Luminance | 0.0687 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.78
Blue Blue
#2242C7
ΔE00 3.90
Ocean Blue
#4F42B5
ΔE00 4.38
Blue With A Hint Of Purple
#533CC6
ΔE00 4.76
Blurple
#5539CC
ΔE00 5.32
Blue (survey)
#0343DF
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3237B8 #B8B332
analogous
#327AB8 #3237B8 #7032B8
triadic
#3237B8 #B83237 #37B832
tetradic
#3237B8 #B8327A #B8B332 #32B870
square
#3237B8 #B8327A #B8B332 #32B870
split-complementary
#3237B8 #B87032 #7AB832
monochromatic
#181A58 #252988 #3237B8 #565BD1 #868ADE
Accessibility & contrast
On white
8.85
#3237B8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.37
#3237B8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3237B8
8.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3237B8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3237B8 | 1.00 | 8.85 | 2.37 | 8.85 |
| #FFFFFF | 8.85 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.85 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051BC
Deuteranopia (green-blind)
#0044B6
Tritanopia (blue-blind)
#005B73
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #3237b8; /* rgb */ color: rgb(50, 55, 184); /* oklch */ color: oklch(42.7% 0.198 272.6);
Tailwind
colors: {
custom: {
50: '#7e6fce',
500: '#3237b8',
950: '#000000',
},
}SCSS
$custom: #3237b8; $custom-light: #7e6fce; $custom-dark: #000000;
JSON
{
"hex": "#3237b8",
"rgb": {
"r": 50,
"g": 55,
"b": 184
},
"hsl": {
"h": 237.761,
"s": 57.265,
"l": 45.882
},
"oklch": {
"l": 0.42673,
"c": 0.19757,
"h": 272.6
},
"luminance": 0.06871
}Semantic roles & 50–950 ramp
primary
#3237B8
secondary
#C8C57E
accent
#DB47E1
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0B0714
muted
#7C7A82