#0F315A#0F315A

#0F315A is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.3% C 0.083 H 255.2°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#0F315A
RGB	rgb(15, 49, 90)
HSL	hsl(213, 71%, 21%)
HSV	hsv(213, 83%, 35%)
CMYK	cmyk(83.3%, 45.6%, 0%, 64.7%)
CIE-LAB	lab(20.19, 4.46, -28.12)
CIE-LCH	lch(20.19, 28.47, 279.01°)
OKLab	oklab(31.3% -0.0213 -0.0805)
OKLCH	oklch(31.3% 0.083 255.2)
XYZ	xyz(3.1401, 3.0360, 10.0914)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F315A #5A380F

analogous

#0F565A #0F315A #120F5A

triadic

#0F315A #5A0F31 #315A0F

tetradic

#0F315A #5A0F56 #5A380F #0F5A12

square

#0F315A #5A0F56 #5A380F #0F5A12

split-complementary

#0F315A #5A120F #565A0F

monochromatic

#040E1A #061426 #0F315A #184E8E #206AC3

Accessibility & contrast

On white

13.07

#0F315A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#0F315A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F315A

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F315A	#FFFFFF	#000000	##FFFFFF
##0F315A	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D345C

Deuteranopia (green-blind)

#0F2E59

Tritanopia (blue-blind)

#003B41

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0f315a;
/* rgb */ color: rgb(15, 49, 90);
/* oklch */ color: oklch(31.3% 0.083 255.2);

Tailwind

colors: {
  custom: {
    50: '#5a6889',
    500: '#0f315a',
    950: '#000000',
  },
}

SCSS

$custom: #0f315a;
$custom-light: #5a6889;
$custom-dark: #000000;

JSON

{
  "hex": "#0f315a",
  "rgb": {
    "r": 15,
    "g": 49,
    "b": 90
  },
  "hsl": {
    "h": 212.8,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31304,
    "c": 0.08322,
    "h": 255.2
  },
  "luminance": 0.03036
}

Semantic roles & 50–950 ramp

primary

#0F315A

secondary

#946731

accent

#9C3AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0F315A

Body copy rendered with the generated semantic roles for this colour.

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