#02303B#02303B
#02303B is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.6% C 0.050 H 218.6°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).
Color values
| HEX | #02303B |
|---|---|
| RGB | rgb(2, 48, 59) |
| HSL | hsl(192, 93%, 12%) |
| HSV | hsv(192, 97%, 23%) |
| CMYK | cmyk(96.6%, 18.6%, 0%, 76.9%) |
| CIE-LAB | lab(17.66, -10.06, -11.17) |
| CIE-LCH | lch(17.66, 15.03, 227.99°) |
| OKLab | oklab(28.61% -0.0392 -0.0313) |
| OKLCH | oklch(28.61% 0.05 218.6) |
| XYZ | xyz(1.8711, 2.4423, 4.5096) |
| Luminance | 0.0244 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 7.22
Gunmetal
#2A3439
ΔE00 8.43
Dark Grey Blue
#29465B
ΔE00 10.22
Charcoal
#36454F
ΔE00 10.27
Dark Slate Blue
#214761
ΔE00 10.89
Dark
#1B2431
ΔE00 11.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#02303B #3B0D02
analogous
#023B2A #02303B #02143B
triadic
#02303B #3B0230 #303B02
tetradic
#02303B #2A023B #3B0D02 #143B02
square
#02303B #2A023B #3B0D02 #143B02
split-complementary
#02303B #3B0214 #3B2A02
monochromatic
#01181E #01181E #02303B #046076 #0690B1
Accessibility & contrast
On white
14.11
#02303B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.49
#02303B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #02303B
14.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##02303B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##02303B | 1.00 | 14.11 | 1.49 | 14.11 |
| #FFFFFF | 14.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#292E3C
Deuteranopia (green-blind)
#22293B
Tritanopia (blue-blind)
#003434
Achromatopsia (no color)
#2B2B2B
Design tokens & code
CSS
--color: #02303b; /* rgb */ color: rgb(2, 48, 59); /* oklch */ color: oklch(28.6% 0.050 218.6);
Tailwind
colors: {
custom: {
50: '#4f6871',
500: '#02303b',
950: '#000000',
},
}SCSS
$custom: #02303b; $custom-light: #4f6871; $custom-dark: #000000;
JSON
{
"hex": "#02303b",
"rgb": {
"r": 2,
"g": 48,
"b": 59
},
"hsl": {
"h": 191.579,
"s": 93.443,
"l": 11.961
},
"oklch": {
"l": 0.28605,
"c": 0.05014,
"h": 218.6
},
"luminance": 0.02443
}Semantic roles & 50–950 ramp
primary
#02303B
secondary
#7E2E1A
accent
#5229FF
background
#F4F6F6
surface
#E7EBEC
border
#C3C6C7
text
#020607
muted
#787A7A