#37477A#37477A
#37477A is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.0% C 0.088 H 269.1°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).
Color values
| HEX | #37477A |
|---|---|
| RGB | rgb(55, 71, 122) |
| HSL | hsl(226, 38%, 35%) |
| HSV | hsv(226, 55%, 48%) |
| CMYK | cmyk(54.9%, 41.8%, 0%, 52.2%) |
| CIE-LAB | lab(31.17, 9.62, -31.06) |
| CIE-LCH | lch(31.17, 32.51, 287.20°) |
| OKLab | oklab(41% -0.0013 -0.088) |
| OKLCH | oklch(41% 0.088 269.1) |
| XYZ | xyz(7.3405, 6.7233, 19.3195) |
| Luminance | 0.0672 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 5.20
Twilight
#4E518B
ΔE00 5.36
Dusk
#4E5481
ΔE00 5.68
Darkish Blue
#014182
ΔE00 6.32
Twilight Blue
#0A437A
ΔE00 6.36
Dusk Blue
#26538D
ΔE00 6.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37477A #7A6A37
analogous
#37687A #37477A #49377A
triadic
#37477A #7A3747 #477A37
tetradic
#37477A #7A3768 #7A6A37 #377A49
square
#37477A #7A3768 #7A6A37 #377A49
split-complementary
#37477A #7A4937 #687A37
monochromatic
#111626 #242E50 #37477A #4A60A4 #6E81BE
Accessibility & contrast
On white
8.96
#37477A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#37477A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37477A
8.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37477A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37477A | 1.00 | 8.96 | 2.34 | 8.96 |
| #FFFFFF | 8.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#324C7C
Deuteranopia (green-blind)
#2B4779
Tritanopia (blue-blind)
#17525A
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #37477a; /* rgb */ color: rgb(55, 71, 122); /* oklch */ color: oklch(41.0% 0.088 269.1);
Tailwind
colors: {
custom: {
50: '#7379a1',
500: '#37477a',
950: '#000000',
},
}SCSS
$custom: #37477a; $custom-light: #7379a1; $custom-dark: #000000;
JSON
{
"hex": "#37477a",
"rgb": {
"r": 55,
"g": 71,
"b": 122
},
"hsl": {
"h": 225.672,
"s": 37.853,
"l": 34.706
},
"oklch": {
"l": 0.41004,
"c": 0.08802,
"h": 269.1
},
"luminance": 0.06724
}Semantic roles & 50–950 ramp
primary
#37477A
secondary
#A69766
accent
#B25ACE
background
#F7F7F9
surface
#EDEDF2
border
#C8C8CC
text
#08090F
muted
#7B7B7E