#0F2A57#0F2A57

#0F2A57 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.3% C 0.088 H 260.1°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#0F2A57
RGB	rgb(15, 42, 87)
HSL	hsl(218, 71%, 20%)
HSV	hsv(218, 83%, 34%)
CMYK	cmyk(82.8%, 51.7%, 0%, 65.9%)
CIE-LAB	lab(17.67, 8.27, -30.16)
CIE-LCH	lch(17.67, 31.27, 285.33°)
OKLab	oklab(29.29% -0.0152 -0.0866)
OKLCH	oklch(29.29% 0.088 260.1)
XYZ	xyz(2.7446, 2.4453, 9.3423)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2A57 #573C0F

analogous

#0F4E57 #0F2A57 #180F57

triadic

#0F2A57 #570F2A #2A570F

tetradic

#0F2A57 #570F4E #573C0F #0F5718

square

#0F2A57 #570F4E #573C0F #0F5718

split-complementary

#0F2A57 #57180F #4E570F

monochromatic

#050D1A #061123 #0F2A57 #18438B #215CBF

Accessibility & contrast

On white

14.10

#0F2A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0F2A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2A57

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2A57	#FFFFFF	#000000	##FFFFFF
##0F2A57	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112F59

Deuteranopia (green-blind)

#002856

Tritanopia (blue-blind)

#00353C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0f2a57;
/* rgb */ color: rgb(15, 42, 87);
/* oklch */ color: oklch(29.3% 0.088 260.1);

Tailwind

colors: {
  custom: {
    50: '#5a6387',
    500: '#0f2a57',
    950: '#000000',
  },
}

SCSS

$custom: #0f2a57;
$custom-light: #5a6387;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2a57",
  "rgb": {
    "r": 15,
    "g": 42,
    "b": 87
  },
  "hsl": {
    "h": 217.5,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.2929,
    "c": 0.08794,
    "h": 260.1
  },
  "luminance": 0.02446
}

Semantic roles & 50–950 ramp

primary

#0F2A57

secondary

#916D31

accent

#AA3AED

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2A57

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

Preview Lab → · Contrast checker → · Palette generator →