#0F2357#0F2357

#0F2357 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.098 H 264.8°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#0F2357
RGB	rgb(15, 35, 87)
HSL	hsl(223, 71%, 20%)
HSV	hsv(223, 83%, 34%)
CMYK	cmyk(82.8%, 59.8%, 0%, 65.9%)
CIE-LAB	lab(15.44, 13.52, -33.76)
CIE-LCH	lch(15.44, 36.37, 291.82°)
OKLab	oklab(27.59% -0.0089 -0.0974)
OKLCH	oklch(27.59% 0.098 264.8)
XYZ	xyz(2.5177, 1.9915, 9.2667)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2357 #57430F

analogous

#0F4757 #0F2357 #1F0F57

triadic

#0F2357 #570F23 #23570F

tetradic

#0F2357 #570F47 #57430F #0F571F

square

#0F2357 #570F47 #57430F #0F571F

split-complementary

#0F2357 #571F0F #47570F

monochromatic

#050B1A #060E23 #0F2357 #18388B #214DBF

Accessibility & contrast

On white

15.02

#0F2357 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#0F2357 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2357

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2357	#FFFFFF	#000000	##FFFFFF
##0F2357	1.00	15.02	1.40	15.02
#FFFFFF	15.02	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A59

Deuteranopia (green-blind)

#002356

Tritanopia (blue-blind)

#003039

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0f2357;
/* rgb */ color: rgb(15, 35, 87);
/* oklch */ color: oklch(27.6% 0.098 264.8);

Tailwind

colors: {
  custom: {
    50: '#5a5d87',
    500: '#0f2357',
    950: '#000000',
  },
}

SCSS

$custom: #0f2357;
$custom-light: #5a5d87;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2357",
  "rgb": {
    "r": 15,
    "g": 35,
    "b": 87
  },
  "hsl": {
    "h": 223.333,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.27594,
    "c": 0.09777,
    "h": 264.8
  },
  "luminance": 0.01992
}

Semantic roles & 50–950 ramp

primary

#0F2357

secondary

#917631

accent

#BC3AED

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #0F2357

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

Preview Lab → · Contrast checker → · Palette generator →