#03303F#03303F
#03303F is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.9% C 0.053 H 226.1°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).
Color values
| HEX | #03303F |
|---|---|
| RGB | rgb(3, 48, 63) |
| HSL | hsl(195, 91%, 13%) |
| HSV | hsv(195, 95%, 25%) |
| CMYK | cmyk(95.2%, 23.8%, 0%, 75.3%) |
| CIE-LAB | lab(17.88, -8.20, -13.57) |
| CIE-LCH | lch(17.88, 15.86, 238.85°) |
| OKLab | oklab(28.86% -0.0367 -0.0382) |
| OKLCH | oklch(28.86% 0.053 226.1) |
| XYZ | xyz(1.9913, 2.4919, 5.0777) |
| Luminance | 0.0249 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 5.38
Gunmetal
#2A3439
ΔE00 8.04
Dark Grey Blue
#29465B
ΔE00 8.70
Dark Slate Blue
#214761
ΔE00 9.22
Charcoal
#36454F
ΔE00 9.48
Dark
#1B2431
ΔE00 9.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#03303F #3F1203
analogous
#033F30 #03303F #03123F
triadic
#03303F #3F0330 #303F03
tetradic
#03303F #30033F #3F1203 #123F03
square
#03303F #30033F #3F1203 #123F03
split-complementary
#03303F #3F0312 #3F3003
monochromatic
#01161D #01161D #03303F #065D79 #0989B4
Accessibility & contrast
On white
14.01
#03303F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.50
#03303F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #03303F
14.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##03303F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##03303F | 1.00 | 14.01 | 1.50 | 14.01 |
| #FFFFFF | 14.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#282F40
Deuteranopia (green-blind)
#20293F
Tritanopia (blue-blind)
#003435
Achromatopsia (no color)
#2C2C2C
Design tokens & code
CSS
--color: #03303f; /* rgb */ color: rgb(3, 48, 63); /* oklch */ color: oklch(28.9% 0.053 226.1);
Tailwind
colors: {
custom: {
50: '#506874',
500: '#03303f',
950: '#000000',
},
}SCSS
$custom: #03303f; $custom-light: #506874; $custom-dark: #000000;
JSON
{
"hex": "#03303f",
"rgb": {
"r": 3,
"g": 48,
"b": 63
},
"hsl": {
"h": 195,
"s": 90.909,
"l": 12.941
},
"oklch": {
"l": 0.28861,
"c": 0.05294,
"h": 226.1
},
"luminance": 0.02492
}Semantic roles & 50–950 ramp
primary
#03303F
secondary
#81361D
accent
#5E29FF
background
#F4F6F7
surface
#E7EBED
border
#C3C6C8
text
#020608
muted
#787A7B