#0F4B57#0F4B57

#0F4B57 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.2% C 0.061 H 214.6°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#0F4B57
RGB	rgb(15, 75, 87)
HSL	hsl(190, 71%, 20%)
HSV	hsv(190, 83%, 34%)
CMYK	cmyk(82.8%, 13.8%, 0%, 65.9%)
CIE-LAB	lab(28.96, -13.81, -12.44)
CIE-LCH	lch(28.96, 18.58, 222.01°)
OKLab	oklab(38.21% -0.0503 -0.0347)
OKLCH	oklch(38.21% 0.061 214.6)
XYZ	xyz(4.4326, 5.8213, 9.9050)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4B57 #571B0F

analogous

#0F573F #0F4B57 #0F2757

triadic

#0F4B57 #570F4B #4B570F

tetradic

#0F4B57 #3F0F57 #571B0F #27570F

square

#0F4B57 #3F0F57 #571B0F #27570F

split-complementary

#0F4B57 #570F27 #573F0F

monochromatic

#05161A #061E23 #0F4B57 #18788B #21A5BF

Accessibility & contrast

On white

9.70

#0F4B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#0F4B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4B57

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4B57	#FFFFFF	#000000	##FFFFFF
##0F4B57	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424858

Deuteranopia (green-blind)

#394157

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0f4b57;
/* rgb */ color: rgb(15, 75, 87);
/* oklch */ color: oklch(38.2% 0.061 214.6);

Tailwind

colors: {
  custom: {
    50: '#5b7d86',
    500: '#0f4b57',
    950: '#000000',
  },
}

SCSS

$custom: #0f4b57;
$custom-light: #5b7d86;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4b57",
  "rgb": {
    "r": 15,
    "g": 75,
    "b": 87
  },
  "hsl": {
    "h": 190,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.38208,
    "c": 0.06112,
    "h": 214.6
  },
  "luminance": 0.05822
}

Semantic roles & 50–950 ramp

primary

#0F4B57

secondary

#914131

accent

#583AED

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4B57

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

Preview Lab → · Contrast checker → · Palette generator →