#153758#153758

#153758 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 33.0% C 0.071 H 250.3°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#153758
RGB	rgb(21, 55, 88)
HSL	hsl(210, 61%, 21%)
HSV	hsv(210, 76%, 35%)
CMYK	cmyk(76.1%, 37.5%, 0%, 65.5%)
CIE-LAB	lab(22.29, 0.29, -23.44)
CIE-LCH	lch(22.29, 23.45, 270.72°)
OKLab	oklab(32.97% -0.0239 -0.0666)
OKLCH	oklch(32.97% 0.071 250.3)
XYZ	xyz(3.4362, 3.5960, 9.7436)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153758 #583615

analogous

#155858 #153758 #151658

triadic

#153758 #581537 #375815

tetradic

#153758 #581558 #583615 #165815

square

#153758 #581558 #583615 #165815

split-complementary

#153758 #581516 #585815

monochromatic

#060F19 #091827 #153758 #215689 #2D75BB

Accessibility & contrast

On white

12.21

#153758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#153758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153758

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153758	#FFFFFF	#000000	##FFFFFF
##153758	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283959

Deuteranopia (green-blind)

#1F3257

Tritanopia (blue-blind)

#003F43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #153758;
/* rgb */ color: rgb(21, 55, 88);
/* oklch */ color: oklch(33.0% 0.071 250.3);

Tailwind

colors: {
  custom: {
    50: '#5c6d87',
    500: '#153758',
    950: '#000000',
  },
}

SCSS

$custom: #153758;
$custom-light: #5c6d87;
$custom-dark: #000000;

JSON

{
  "hex": "#153758",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 88
  },
  "hsl": {
    "h": 209.552,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32965,
    "c": 0.07071,
    "h": 250.3
  },
  "luminance": 0.03596
}

Semantic roles & 50–950 ramp

primary

#153758

secondary

#906439

accent

#9343E5

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153758

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

Preview Lab → · Contrast checker → · Palette generator →