#153B61#153B61

#153B61 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.079 H 251.2°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#153B61
RGB	rgb(21, 59, 97)
HSL	hsl(210, 64%, 23%)
HSV	hsv(210, 78%, 38%)
CMYK	cmyk(78.4%, 39.2%, 0%, 62%)
CIE-LAB	lab(24.16, 1.24, -26.37)
CIE-LCH	lch(24.16, 26.40, 272.70°)
OKLab	oklab(34.61% -0.0255 -0.075)
OKLCH	oklch(34.61% 0.079 251.2)
XYZ	xyz(4.0301, 4.1500, 11.8956)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B61 #613B15

analogous

#156161 #153B61 #151561

triadic

#153B61 #61153B #3B6115

tetradic

#153B61 #611561 #613B15 #156115

square

#153B61 #611561 #613B15 #156115

split-complementary

#153B61 #611515 #616115

monochromatic

#050F19 #0A1C2F #153B61 #205A93 #2B78C6

Accessibility & contrast

On white

11.48

#153B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B61

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B61	#FFFFFF	#000000	##FFFFFF
##153B61	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3D63

Deuteranopia (green-blind)

#1E3660

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153b61;
/* rgb */ color: rgb(21, 59, 97);
/* oklch */ color: oklch(34.6% 0.079 251.2);

Tailwind

colors: {
  custom: {
    50: '#5e708e',
    500: '#153b61',
    950: '#000000',
  },
}

SCSS

$custom: #153b61;
$custom-light: #5e708e;
$custom-dark: #000000;

JSON

{
  "hex": "#153b61",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 97
  },
  "hsl": {
    "h": 210,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34608,
    "c": 0.07927,
    "h": 251.2
  },
  "luminance": 0.0415
}

Semantic roles & 50–950 ramp

primary

#153B61

secondary

#98693A

accent

#9440E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153B61

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

Preview Lab → · Contrast checker → · Palette generator →