#03313F#03313F
#03313F is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.2% C 0.053 H 224.0°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).
Color values
| HEX | #03313F |
|---|---|
| RGB | rgb(3, 49, 63) |
| HSL | hsl(194, 91%, 13%) |
| HSV | hsv(194, 95%, 25%) |
| CMYK | cmyk(95.2%, 22.2%, 0%, 75.3%) |
| CIE-LAB | lab(18.25, -8.85, -13.00) |
| CIE-LCH | lch(18.25, 15.73, 235.74°) |
| OKLab | oklab(29.16% -0.0378 -0.0365) |
| OKLCH | oklch(29.16% 0.053 224) |
| XYZ | xyz(2.0327, 2.5746, 5.0915) |
| Luminance | 0.0257 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 5.72
Gunmetal
#2A3439
ΔE00 8.11
Dark Grey Blue
#29465B
ΔE00 8.88
Dark Slate Blue
#214761
ΔE00 9.44
Charcoal
#36454F
ΔE00 9.49
Dark
#1B2431
ΔE00 10.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#03313F #3F1103
analogous
#033F2F #03313F #03133F
triadic
#03313F #3F0331 #313F03
tetradic
#03313F #2F033F #3F1103 #133F03
square
#03313F #2F033F #3F1103 #133F03
split-complementary
#03313F #3F0313 #3F2F03
monochromatic
#01171D #01171D #03313F #065E79 #098CB4
Accessibility & contrast
On white
13.86
#03313F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.52
#03313F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #03313F
13.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##03313F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##03313F | 1.00 | 13.86 | 1.52 | 13.86 |
| #FFFFFF | 13.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#293040
Deuteranopia (green-blind)
#212A3F
Tritanopia (blue-blind)
#003536
Achromatopsia (no color)
#2D2D2D
Design tokens & code
CSS
--color: #03313f; /* rgb */ color: rgb(3, 49, 63); /* oklch */ color: oklch(29.2% 0.053 224.0);
Tailwind
colors: {
custom: {
50: '#506974',
500: '#03313f',
950: '#000000',
},
}SCSS
$custom: #03313f; $custom-light: #506974; $custom-dark: #000000;
JSON
{
"hex": "#03313f",
"rgb": {
"r": 3,
"g": 49,
"b": 63
},
"hsl": {
"h": 194,
"s": 90.909,
"l": 12.941
},
"oklch": {
"l": 0.29158,
"c": 0.05255,
"h": 224
},
"luminance": 0.02575
}Semantic roles & 50–950 ramp
primary
#03313F
secondary
#81341D
accent
#5B29FF
background
#F4F6F7
surface
#E7EBED
border
#C3C6C8
text
#020608
muted
#787A7B