#153E4B#153E4B

#153E4B is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.050 H 222.2°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#153E4B
RGB	rgb(21, 62, 75)
HSL	hsl(194, 56%, 19%)
HSV	hsv(194, 72%, 29%)
CMYK	cmyk(72%, 17.3%, 0%, 70.6%)
CIE-LAB	lab(24.04, -9.44, -12.12)
CIE-LCH	lch(24.04, 15.37, 232.08°)
OKLab	oklab(34.13% -0.0372 -0.0338)
OKLCH	oklch(34.13% 0.05 222.2)
XYZ	xyz(3.3014, 4.1123, 7.2750)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E4B #4B2215

analogous

#154B3D #153E4B #15234B

triadic

#153E4B #4B153E #3E4B15

tetradic

#153E4B #3D154B #4B2215 #234B15

square

#153E4B #3D154B #4B2215 #234B15

split-complementary

#153E4B #4B1523 #4B3D15

monochromatic

#071418 #08161B #153E4B #22667B #308DAB

Accessibility & contrast

On white

11.52

#153E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#153E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E4B

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E4B	#FFFFFF	#000000	##FFFFFF
##153E4B	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4C

Deuteranopia (green-blind)

#2F374B

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153e4b;
/* rgb */ color: rgb(21, 62, 75);
/* oklch */ color: oklch(34.1% 0.050 222.2);

Tailwind

colors: {
  custom: {
    50: '#5a737d',
    500: '#153e4b',
    950: '#000000',
  },
}

SCSS

$custom: #153e4b;
$custom-light: #5a737d;
$custom-dark: #000000;

JSON

{
  "hex": "#153e4b",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 194.444,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.34134,
    "c": 0.0503,
    "h": 222.2
  },
  "luminance": 0.04113
}

Semantic roles & 50–950 ramp

primary

#153E4B

secondary

#834B39

accent

#6D48E0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #153E4B

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

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