#15313F#15313F
#15313F is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.042 H 232.4°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).
Color values
| HEX | #15313F |
|---|---|
| RGB | rgb(21, 49, 63) |
| HSL | hsl(200, 50%, 16%) |
| HSV | hsv(200, 67%, 25%) |
| CMYK | cmyk(66.7%, 22.2%, 0%, 75.3%) |
| CIE-LAB | lab(18.86, -5.56, -12.01) |
| CIE-LCH | lch(18.86, 13.23, 245.16°) |
| OKLab | oklab(29.82% -0.0258 -0.0335) |
| OKLCH | oklch(29.82% 0.042 232.4) |
| XYZ | xyz(2.3044, 2.7147, 5.1042) |
| Luminance | 0.0272 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 3.77
Gunmetal
#2A3439
ΔE00 5.99
Dark Grey Blue
#29465B
ΔE00 7.46
Dark
#1B2431
ΔE00 7.51
Charcoal
#36454F
ΔE00 7.68
Dark Slate Blue
#214761
ΔE00 8.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15313F #3F2315
analogous
#153F38 #15313F #151C3F
triadic
#15313F #3F1531 #313F15
tetradic
#15313F #38153F #3F2315 #1C3F15
square
#15313F #38153F #3F2315 #1C3F15
split-complementary
#15313F #3F151C #3F3815
monochromatic
#081217 #081217 #15313F #24556D #34789B
Accessibility & contrast
On white
13.61
#15313F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.54
#15313F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15313F
13.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15313F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15313F | 1.00 | 13.61 | 1.54 | 13.61 |
| #FFFFFF | 13.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2A3040
Deuteranopia (green-blind)
#242C3F
Tritanopia (blue-blind)
#003536
Achromatopsia (no color)
#2E2E2E
Design tokens & code
CSS
--color: #15313f; /* rgb */ color: rgb(21, 49, 63); /* oklch */ color: oklch(29.8% 0.042 232.4);
Tailwind
colors: {
custom: {
50: '#576974',
500: '#15313f',
950: '#000000',
},
}SCSS
$custom: #15313f; $custom-light: #576974; $custom-dark: #000000;
JSON
{
"hex": "#15313f",
"rgb": {
"r": 21,
"g": 49,
"b": 63
},
"hsl": {
"h": 200,
"s": 50,
"l": 16.471
},
"oklch": {
"l": 0.29819,
"c": 0.04232,
"h": 232.4
},
"luminance": 0.02715
}Semantic roles & 50–950 ramp
primary
#15313F
secondary
#774E39
accent
#7D4EDA
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#030608
muted
#787A7B