#0F1757#0F1757

#0F1757 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.114 H 269.9°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#0F1757
RGB	rgb(15, 23, 87)
HSL	hsl(233, 71%, 20%)
HSV	hsv(233, 83%, 34%)
CMYK	cmyk(82.8%, 73.6%, 0%, 65.9%)
CIE-LAB	lab(11.97, 22.42, -39.43)
CIE-LCH	lch(11.97, 45.36, 299.62°)
OKLab	oklab(25.02% -0.0002 -0.1141)
OKLCH	oklch(25.02% 0.114 269.9)
XYZ	xyz(2.2231, 1.4022, 9.1685)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1757 #574F0F

analogous

#0F3B57 #0F1757 #2B0F57

triadic

#0F1757 #570F17 #17570F

tetradic

#0F1757 #570F3B #574F0F #0F572B

square

#0F1757 #570F3B #574F0F #0F572B

split-complementary

#0F1757 #572B0F #3B570F

monochromatic

#05071A #060923 #0F1757 #18258B #2133BF

Accessibility & contrast

On white

16.40

#0F1757 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0F1757 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1757

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1757	#FFFFFF	#000000	##FFFFFF
##0F1757	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#001C56

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0f1757;
/* rgb */ color: rgb(15, 23, 87);
/* oklch */ color: oklch(25.0% 0.114 269.9);

Tailwind

colors: {
  custom: {
    50: '#5b5487',
    500: '#0f1757',
    950: '#000000',
  },
}

SCSS

$custom: #0f1757;
$custom-light: #5b5487;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1757",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 87
  },
  "hsl": {
    "h": 233.333,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.25022,
    "c": 0.11414,
    "h": 269.9
  },
  "luminance": 0.01402
}

Semantic roles & 50–950 ramp

primary

#0F1757

secondary

#918631

accent

#D93AED

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #0F1757

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

Preview Lab → · Contrast checker → · Palette generator →