#153E4F#153E4F

#153E4F is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.3% C 0.054 H 228.8°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#153E4F
RGB	rgb(21, 62, 79)
HSL	hsl(198, 58%, 20%)
HSV	hsv(198, 73%, 31%)
CMYK	cmyk(73.4%, 21.5%, 0%, 69%)
CIE-LAB	lab(24.22, -7.94, -14.48)
CIE-LCH	lch(24.22, 16.52, 241.28°)
OKLab	oklab(34.34% -0.0355 -0.0405)
OKLCH	oklch(34.34% 0.054 228.8)
XYZ	xyz(3.4426, 4.1688, 8.0189)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E4F #4F2615

analogous

#154F43 #153E4F #15214F

triadic

#153E4F #4F153E #3E4F15

tetradic

#153E4F #43154F #4F2615 #214F15

square

#153E4F #43154F #4F2615 #214F15

split-complementary

#153E4F #4F1521 #4F4315

monochromatic

#061318 #08181F #153E4F #22647F #2F8AB0

Accessibility & contrast

On white

11.45

#153E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E4F

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E4F	#FFFFFF	#000000	##FFFFFF
##153E4F	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D50

Deuteranopia (green-blind)

#2D374F

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153e4f;
/* rgb */ color: rgb(21, 62, 79);
/* oklch */ color: oklch(34.3% 0.054 228.8);

Tailwind

colors: {
  custom: {
    50: '#5b7380',
    500: '#153e4f',
    950: '#000000',
  },
}

SCSS

$custom: #153e4f;
$custom-light: #5b7380;
$custom-dark: #000000;

JSON

{
  "hex": "#153e4f",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 79
  },
  "hsl": {
    "h": 197.586,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.3434,
    "c": 0.05387,
    "h": 228.8
  },
  "luminance": 0.04169
}

Semantic roles & 50–950 ramp

primary

#153E4F

secondary

#875039

accent

#7447E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #153E4F

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

Preview Lab → · Contrast checker → · Palette generator →