#153F57#153F57

#153F57 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.062 H 237.5°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#153F57
RGB	rgb(21, 63, 87)
HSL	hsl(202, 61%, 21%)
HSV	hsv(202, 76%, 34%)
CMYK	cmyk(75.9%, 27.6%, 0%, 65.9%)
CIE-LAB	lab(24.96, -5.48, -18.60)
CIE-LCH	lch(24.96, 19.39, 253.58°)
OKLab	oklab(35.06% -0.0334 -0.0524)
OKLCH	oklch(35.06% 0.062 237.5)
XYZ	xyz(3.8064, 4.4021, 9.6641)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F57 #572D15

analogous

#15574E #153F57 #151E57

triadic

#153F57 #57153F #3F5715

tetradic

#153F57 #4E1557 #572D15 #1E5715

square

#153F57 #4E1557 #572D15 #1E5715

split-complementary

#153F57 #57151E #574E15

monochromatic

#061219 #091B26 #153F57 #216388 #2D86BA

Accessibility & contrast

On white

11.17

#153F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#153F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F57

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F57	#FFFFFF	#000000	##FFFFFF
##153F57	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343F58

Deuteranopia (green-blind)

#2B3857

Tritanopia (blue-blind)

#004547

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153f57;
/* rgb */ color: rgb(21, 63, 87);
/* oklch */ color: oklch(35.1% 0.062 237.5);

Tailwind

colors: {
  custom: {
    50: '#5c7486',
    500: '#153f57',
    950: '#000000',
  },
}

SCSS

$custom: #153f57;
$custom-light: #5c7486;
$custom-dark: #000000;

JSON

{
  "hex": "#153f57",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 87
  },
  "hsl": {
    "h": 201.818,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.35055,
    "c": 0.0621,
    "h": 237.5
  },
  "luminance": 0.04403
}

Semantic roles & 50–950 ramp

primary

#153F57

secondary

#8F5839

accent

#7E44E4

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #153F57

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

Preview Lab → · Contrast checker → · Palette generator →