#0F3E57#0F3E57

#0F3E57 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.066 H 236.8°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#0F3E57
RGB	rgb(15, 62, 87)
HSL	hsl(201, 71%, 20%)
HSV	hsv(201, 83%, 34%)
CMYK	cmyk(82.8%, 28.7%, 0%, 65.9%)
CIE-LAB	lab(24.43, -5.75, -19.43)
CIE-LCH	lch(24.43, 20.26, 253.51°)
OKLab	oklab(34.59% -0.0358 -0.0548)
OKLCH	oklch(34.59% 0.066 236.8)
XYZ	xyz(3.6392, 4.2345, 9.6405)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3E57 #57280F

analogous

#0F574C #0F3E57 #0F1A57

triadic

#0F3E57 #570F3E #3E570F

tetradic

#0F3E57 #4C0F57 #57280F #1A570F

square

#0F3E57 #4C0F57 #57280F #1A570F

split-complementary

#0F3E57 #570F1A #574C0F

monochromatic

#05131A #061923 #0F3E57 #18638B #2188BF

Accessibility & contrast

On white

11.37

#0F3E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0F3E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3E57

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3E57	#FFFFFF	#000000	##FFFFFF
##0F3E57	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323E58

Deuteranopia (green-blind)

#283757

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f3e57;
/* rgb */ color: rgb(15, 62, 87);
/* oklch */ color: oklch(34.6% 0.066 236.8);

Tailwind

colors: {
  custom: {
    50: '#5a7386',
    500: '#0f3e57',
    950: '#000000',
  },
}

SCSS

$custom: #0f3e57;
$custom-light: #5a7386;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3e57",
  "rgb": {
    "r": 15,
    "g": 62,
    "b": 87
  },
  "hsl": {
    "h": 200.833,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.34585,
    "c": 0.06553,
    "h": 236.8
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#0F3E57

secondary

#915231

accent

#793AED

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F3E57

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

Preview Lab → · Contrast checker → · Palette generator →