#153757#153757

#153757 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.9% C 0.069 H 249.6°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#153757
RGB	rgb(21, 55, 87)
HSL	hsl(209, 61%, 21%)
HSV	hsv(209, 76%, 34%)
CMYK	cmyk(75.9%, 36.8%, 0%, 65.9%)
CIE-LAB	lab(22.23, -0.12, -22.88)
CIE-LCH	lch(22.23, 22.88, 269.71°)
OKLab	oklab(32.9% -0.0242 -0.0649)
OKLCH	oklch(32.9% 0.069 249.6)
XYZ	xyz(3.3951, 3.5796, 9.5270)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153757 #573515

analogous

#155756 #153757 #151657

triadic

#153757 #571537 #375715

tetradic

#153757 #561557 #573515 #165715

square

#153757 #561557 #573515 #165715

split-complementary

#153757 #571516 #575615

monochromatic

#061019 #091826 #153757 #215688 #2D75BA

Accessibility & contrast

On white

12.24

#153757 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#153757 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153757

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153757	#FFFFFF	#000000	##FFFFFF
##153757	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293958

Deuteranopia (green-blind)

#1F3256

Tritanopia (blue-blind)

#003F43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #153757;
/* rgb */ color: rgb(21, 55, 87);
/* oklch */ color: oklch(32.9% 0.069 249.6);

Tailwind

colors: {
  custom: {
    50: '#5c6d86',
    500: '#153757',
    950: '#000000',
  },
}

SCSS

$custom: #153757;
$custom-light: #5c6d86;
$custom-dark: #000000;

JSON

{
  "hex": "#153757",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 87
  },
  "hsl": {
    "h": 209.091,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.329,
    "c": 0.06927,
    "h": 249.6
  },
  "luminance": 0.0358
}

Semantic roles & 50–950 ramp

primary

#153757

secondary

#8F6339

accent

#9144E4

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153757

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

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