#0F1D57#0F1D57

#0F1D57 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.106 H 267.7°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#0F1D57
RGB	rgb(15, 29, 87)
HSL	hsl(228, 71%, 20%)
HSV	hsv(228, 83%, 34%)
CMYK	cmyk(82.8%, 66.7%, 0%, 65.9%)
CIE-LAB	lab(13.64, 18.03, -36.70)
CIE-LCH	lch(13.64, 40.89, 296.17°)
OKLab	oklab(26.25% -0.0042 -0.1061)
OKLCH	oklch(26.25% 0.106 267.7)
XYZ	xyz(2.3561, 1.6681, 9.2128)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1D57 #57490F

analogous

#0F4157 #0F1D57 #250F57

triadic

#0F1D57 #570F1D #1D570F

tetradic

#0F1D57 #570F41 #57490F #0F5725

square

#0F1D57 #570F41 #57490F #0F5725

split-complementary

#0F1D57 #57250F #41570F

monochromatic

#05091A #060C23 #0F1D57 #182E8B #2140BF

Accessibility & contrast

On white

15.75

#0F1D57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0F1D57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1D57

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1D57	#FFFFFF	#000000	##FFFFFF
##0F1D57	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#002056

Tritanopia (blue-blind)

#002C36

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0f1d57;
/* rgb */ color: rgb(15, 29, 87);
/* oklch */ color: oklch(26.2% 0.106 267.7);

Tailwind

colors: {
  custom: {
    50: '#5b5887',
    500: '#0f1d57',
    950: '#000000',
  },
}

SCSS

$custom: #0f1d57;
$custom-light: #5b5887;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1d57",
  "rgb": {
    "r": 15,
    "g": 29,
    "b": 87
  },
  "hsl": {
    "h": 228.333,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.26245,
    "c": 0.10617,
    "h": 267.7
  },
  "luminance": 0.01668
}

Semantic roles & 50–950 ramp

primary

#0F1D57

secondary

#917E31

accent

#CB3AED

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0F1D57

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

Preview Lab → · Contrast checker → · Palette generator →