#0F1A57#0F1A57

#0F1A57 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.110 H 268.9°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#0F1A57
RGB	rgb(15, 26, 87)
HSL	hsl(231, 71%, 20%)
HSV	hsv(231, 83%, 34%)
CMYK	cmyk(82.8%, 70.1%, 0%, 65.9%)
CIE-LAB	lab(12.79, 20.25, -38.10)
CIE-LCH	lch(12.79, 43.15, 297.99°)
OKLab	oklab(25.62% -0.0021 -0.1102)
OKLCH	oklch(25.62% 0.11 268.9)
XYZ	xyz(2.2861, 1.5282, 9.1895)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1A57 #574C0F

analogous

#0F3E57 #0F1A57 #280F57

triadic

#0F1A57 #570F1A #1A570F

tetradic

#0F1A57 #570F3E #574C0F #0F5728

square

#0F1A57 #570F3E #574C0F #0F5728

split-complementary

#0F1A57 #57280F #3E570F

monochromatic

#05081A #060A23 #0F1A57 #182A8B #2139BF

Accessibility & contrast

On white

16.08

#0F1A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0F1A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1A57

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1A57	#FFFFFF	#000000	##FFFFFF
##0F1A57	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002559

Deuteranopia (green-blind)

#001E56

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0f1a57;
/* rgb */ color: rgb(15, 26, 87);
/* oklch */ color: oklch(25.6% 0.110 268.9);

Tailwind

colors: {
  custom: {
    50: '#5b5687',
    500: '#0f1a57',
    950: '#000000',
  },
}

SCSS

$custom: #0f1a57;
$custom-light: #5b5687;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1a57",
  "rgb": {
    "r": 15,
    "g": 26,
    "b": 87
  },
  "hsl": {
    "h": 230.833,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.25616,
    "c": 0.11023,
    "h": 268.9
  },
  "luminance": 0.01528
}

Semantic roles & 50–950 ramp

primary

#0F1A57

secondary

#918231

accent

#D23AED

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0F1A57

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

Preview Lab → · Contrast checker → · Palette generator →