#0F3A54#0F3A54

#0F3A54 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.065 H 239.9°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A54
RGB	rgb(15, 58, 84)
HSL	hsl(203, 70%, 19%)
HSV	hsv(203, 82%, 33%)
CMYK	cmyk(82.1%, 31%, 0%, 67.1%)
CIE-LAB	lab(22.89, -4.34, -19.88)
CIE-LCH	lch(22.89, 20.34, 257.68°)
OKLab	oklab(33.31% -0.0326 -0.0562)
OKLCH	oklch(33.31% 0.065 239.9)
XYZ	xyz(3.3097, 3.7674, 8.9385)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A54 #54290F

analogous

#0F544C #0F3A54 #0F1754

triadic

#0F3A54 #540F3A #3A540F

tetradic

#0F3A54 #4C0F54 #54290F #17540F

square

#0F3A54 #4C0F54 #54290F #17540F

split-complementary

#0F3A54 #540F17 #544C0F

monochromatic

#05121A #061620 #0F3A54 #185E88 #2282BC

Accessibility & contrast

On white

11.98

#0F3A54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#0F3A54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A54

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A54	#FFFFFF	#000000	##FFFFFF
##0F3A54	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3A55

Deuteranopia (green-blind)

#243454

Tritanopia (blue-blind)

#004143

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0f3a54;
/* rgb */ color: rgb(15, 58, 84);
/* oklch */ color: oklch(33.3% 0.065 239.9);

Tailwind

colors: {
  custom: {
    50: '#597084',
    500: '#0f3a54',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a54;
$custom-light: #597084;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a54",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 84
  },
  "hsl": {
    "h": 202.609,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.33306,
    "c": 0.06496,
    "h": 239.9
  },
  "luminance": 0.03768
}

Semantic roles & 50–950 ramp

primary

#0F3A54

secondary

#8E5431

accent

#7E3BED

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3A54

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

Preview Lab → · Contrast checker → · Palette generator →