#153C57#153C57

#153C57 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.064 H 242.3°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#153C57
RGB	rgb(21, 60, 87)
HSL	hsl(205, 61%, 21%)
HSV	hsv(205, 76%, 34%)
CMYK	cmyk(75.9%, 31%, 0%, 65.9%)
CIE-LAB	lab(23.93, -3.51, -20.20)
CIE-LCH	lch(23.93, 20.50, 260.16°)
OKLab	oklab(34.24% -0.0299 -0.057)
OKLCH	oklch(34.24% 0.064 242.3)
XYZ	xyz(3.6448, 4.0789, 9.6102)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C57 #573015

analogous

#155751 #153C57 #151B57

triadic

#153C57 #57153C #3C5715

tetradic

#153C57 #511557 #573015 #1B5715

square

#153C57 #511557 #573015 #1B5715

split-complementary

#153C57 #57151B #575115

monochromatic

#061119 #091A26 #153C57 #215E88 #2D80BA

Accessibility & contrast

On white

11.57

#153C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#153C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C57

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C57	#FFFFFF	#000000	##FFFFFF
##153C57	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303C58

Deuteranopia (green-blind)

#273657

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153c57;
/* rgb */ color: rgb(21, 60, 87);
/* oklch */ color: oklch(34.2% 0.064 242.3);

Tailwind

colors: {
  custom: {
    50: '#5c7186',
    500: '#153c57',
    950: '#000000',
  },
}

SCSS

$custom: #153c57;
$custom-light: #5c7186;
$custom-dark: #000000;

JSON

{
  "hex": "#153c57",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 87
  },
  "hsl": {
    "h": 204.545,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3424,
    "c": 0.06442,
    "h": 242.3
  },
  "luminance": 0.04079
}

Semantic roles & 50–950 ramp

primary

#153C57

secondary

#8F5C39

accent

#8544E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153C57

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

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