#153C5D#153C5D

#153C5D is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.073 H 247.4°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#153C5D
RGB	rgb(21, 60, 93)
HSL	hsl(208, 63%, 22%)
HSV	hsv(208, 77%, 36%)
CMYK	cmyk(77.4%, 35.5%, 0%, 63.5%)
CIE-LAB	lab(24.26, -1.08, -23.61)
CIE-LCH	lch(24.26, 23.63, 267.38°)
OKLab	oklab(34.61% -0.0278 -0.067)
OKLCH	oklch(34.61% 0.073 247.4)
XYZ	xyz(3.9002, 4.1810, 10.9553)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C5D #5D3615

analogous

#155D5A #153C5D #15185D

triadic

#153C5D #5D153C #3C5D15

tetradic

#153C5D #5A155D #5D3615 #185D15

square

#153C5D #5A155D #5D3615 #185D15

split-complementary

#153C5D #5D1518 #5D5A15

monochromatic

#061019 #0A1C2B #153C5D #205C8F #2C7CC1

Accessibility & contrast

On white

11.44

#153C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#153C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C5D

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C5D	#FFFFFF	#000000	##FFFFFF
##153C5D	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3D5E

Deuteranopia (green-blind)

#23375C

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153c5d;
/* rgb */ color: rgb(21, 60, 93);
/* oklch */ color: oklch(34.6% 0.073 247.4);

Tailwind

colors: {
  custom: {
    50: '#5d718b',
    500: '#153c5d',
    950: '#000000',
  },
}

SCSS

$custom: #153c5d;
$custom-light: #5d718b;
$custom-dark: #000000;

JSON

{
  "hex": "#153c5d",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 93
  },
  "hsl": {
    "h": 207.5,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.3461,
    "c": 0.07251,
    "h": 247.4
  },
  "luminance": 0.04181
}

Semantic roles & 50–950 ramp

primary

#153C5D

secondary

#946339

accent

#8D42E6

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153C5D

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

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