#313F4E#313F4E
#313F4E is a dark, muted cyan. Relative luminance 0.048; OKLCH L 36.2% C 0.032 H 250.5°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).
Color values
| HEX | #313F4E |
|---|---|
| RGB | rgb(49, 63, 78) |
| HSL | hsl(211, 23%, 25%) |
| HSV | hsv(211, 37%, 31%) |
| CMYK | cmyk(37.2%, 19.2%, 0%, 69.4%) |
| CIE-LAB | lab(26.03, -1.39, -10.92) |
| CIE-LCH | lch(26.03, 11.00, 262.75°) |
| OKLab | oklab(36.17% -0.0107 -0.0301) |
| OKLCH | oklch(36.17% 0.032 250.5) |
| XYZ | xyz(4.4189, 4.7578, 7.8918) |
| Luminance | 0.0476 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Charcoal
#36454F
ΔE00 3.67
Dark Blue Grey
#1F3B4D
ΔE00 4.34
Dark Grey Blue
#29465B
ΔE00 4.51
Dark Slate Blue
#214761
ΔE00 6.15
Gunmetal
#2A3439
ΔE00 6.34
Charcoal Grey
#3C4142
ΔE00 7.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#313F4E #4E4031
analogous
#314E4E #313F4E #31314E
triadic
#313F4E #4E313F #3F4E31
tetradic
#313F4E #4E314E #4E4031 #314E31
square
#313F4E #4E314E #4E4031 #314E31
split-complementary
#313F4E #4E3131 #4E4E31
monochromatic
#0C0F13 #192128 #313F4E #495D74 #607C99
Accessibility & contrast
On white
10.76
#313F4E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.95
#313F4E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #313F4E
10.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##313F4E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##313F4E | 1.00 | 10.76 | 1.95 | 10.76 |
| #FFFFFF | 10.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#393F4F
Deuteranopia (green-blind)
#363C4E
Tritanopia (blue-blind)
#284244
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #313f4e; /* rgb */ color: rgb(49, 63, 78); /* oklch */ color: oklch(36.2% 0.032 250.5);
Tailwind
colors: {
custom: {
50: '#6a747f',
500: '#313f4e',
950: '#000000',
},
}SCSS
$custom: #313f4e; $custom-light: #6a747f; $custom-dark: #000000;
JSON
{
"hex": "#313f4e",
"rgb": {
"r": 49,
"g": 63,
"b": 78
},
"hsl": {
"h": 211.034,
"s": 22.835,
"l": 24.902
},
"oklch": {
"l": 0.3617,
"c": 0.03189,
"h": 250.5
},
"luminance": 0.04758
}Semantic roles & 50–950 ramp
primary
#313F4E
secondary
#7F6E5C
accent
#9568BF
background
#F6F7F7
surface
#EBEDEE
border
#C6C8C9
text
#06080A
muted
#7A7B7C