#153751#153751

#153751 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.5% C 0.061 H 244.4°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#153751
RGB	rgb(21, 55, 81)
HSL	hsl(206, 59%, 20%)
HSV	hsv(206, 74%, 32%)
CMYK	cmyk(74.1%, 32.1%, 0%, 68.2%)
CIE-LAB	lab(21.89, -2.55, -19.43)
CIE-LCH	lch(21.89, 19.60, 262.52°)
OKLab	oklab(32.52% -0.0262 -0.0549)
OKLCH	oklch(32.52% 0.061 244.4)
XYZ	xyz(3.1601, 3.4856, 8.2892)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153751 #512F15

analogous

#15514D #153751 #151951

triadic

#153751 #511537 #375115

tetradic

#153751 #4D1551 #512F15 #195115

square

#153751 #4D1551 #512F15 #195115

split-complementary

#153751 #511519 #514D15

monochromatic

#061118 #081620 #153751 #225882 #2E79B2

Accessibility & contrast

On white

12.37

#153751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#153751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153751

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153751	#FFFFFF	#000000	##FFFFFF
##153751	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3852

Deuteranopia (green-blind)

#233251

Tritanopia (blue-blind)

#003D40

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #153751;
/* rgb */ color: rgb(21, 55, 81);
/* oklch */ color: oklch(32.5% 0.061 244.4);

Tailwind

colors: {
  custom: {
    50: '#5b6d82',
    500: '#153751',
    950: '#000000',
  },
}

SCSS

$custom: #153751;
$custom-light: #5b6d82;
$custom-dark: #000000;

JSON

{
  "hex": "#153751",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 206,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.32523,
    "c": 0.06083,
    "h": 244.4
  },
  "luminance": 0.03486
}

Semantic roles & 50–950 ramp

primary

#153751

secondary

#895C39

accent

#8946E2

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153751

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

Preview Lab → · Contrast checker → · Palette generator →