#0F2C59#0F2C59

#0F2C59 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.0% C 0.088 H 259.1°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#0F2C59
RGB	rgb(15, 44, 89)
HSL	hsl(216, 71%, 20%)
HSV	hsv(216, 83%, 35%)
CMYK	cmyk(83.1%, 50.6%, 0%, 65.1%)
CIE-LAB	lab(18.47, 7.67, -30.21)
CIE-LCH	lch(18.47, 31.16, 284.24°)
OKLab	oklab(29.95% -0.0167 -0.0867)
OKLCH	oklch(29.95% 0.088 259.1)
XYZ	xyz(2.9002, 2.6239, 9.8029)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2C59 #593C0F

analogous

#0F5159 #0F2C59 #170F59

triadic

#0F2C59 #590F2C #2C590F

tetradic

#0F2C59 #590F51 #593C0F #0F5917

square

#0F2C59 #590F51 #593C0F #0F5917

split-complementary

#0F2C59 #59170F #51590F

monochromatic

#040D1A #061225 #0F2C59 #18468D #2160C2

Accessibility & contrast

On white

13.77

#0F2C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0F2C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2C59

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2C59	#FFFFFF	#000000	##FFFFFF
##0F2C59	1.00	13.77	1.52	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14315B

Deuteranopia (green-blind)

#022A58

Tritanopia (blue-blind)

#00373E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0f2c59;
/* rgb */ color: rgb(15, 44, 89);
/* oklch */ color: oklch(30.0% 0.088 259.1);

Tailwind

colors: {
  custom: {
    50: '#5a6488',
    500: '#0f2c59',
    950: '#000000',
  },
}

SCSS

$custom: #0f2c59;
$custom-light: #5a6488;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2c59",
  "rgb": {
    "r": 15,
    "g": 44,
    "b": 89
  },
  "hsl": {
    "h": 216.486,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29953,
    "c": 0.0883,
    "h": 259.1
  },
  "luminance": 0.02624
}

Semantic roles & 50–950 ramp

primary

#0F2C59

secondary

#936C31

accent

#A73AEE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2C59

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

Preview Lab → · Contrast checker → · Palette generator →