#153B64#153B64

#153B64 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.084 H 252.8°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#153B64
RGB	rgb(21, 59, 100)
HSL	hsl(211, 65%, 24%)
HSV	hsv(211, 79%, 39%)
CMYK	cmyk(79%, 41%, 0%, 60.8%)
CIE-LAB	lab(24.34, 2.49, -28.02)
CIE-LCH	lch(24.34, 28.13, 275.07°)
OKLab	oklab(34.81% -0.0247 -0.0799)
OKLCH	oklch(34.81% 0.084 252.8)
XYZ	xyz(4.1726, 4.2070, 12.6462)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B64 #643E15

analogous

#156264 #153B64 #161564

triadic

#153B64 #64153B #3B6415

tetradic

#153B64 #641562 #643E15 #156416

square

#153B64 #641562 #643E15 #156416

split-complementary

#153B64 #641615 #626415

monochromatic

#050F19 #0A1D31 #153B64 #205997 #2A77C9

Accessibility & contrast

On white

11.40

#153B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#153B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B64

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B64	#FFFFFF	#000000	##FFFFFF
##153B64	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283E66

Deuteranopia (green-blind)

#1C3763

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153b64;
/* rgb */ color: rgb(21, 59, 100);
/* oklch */ color: oklch(34.8% 0.084 252.8);

Tailwind

colors: {
  custom: {
    50: '#5f7090',
    500: '#153b64',
    950: '#000000',
  },
}

SCSS

$custom: #153b64;
$custom-light: #5f7090;
$custom-dark: #000000;

JSON

{
  "hex": "#153b64",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 100
  },
  "hsl": {
    "h": 211.139,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34811,
    "c": 0.08362,
    "h": 252.8
  },
  "luminance": 0.04207
}

Semantic roles & 50–950 ramp

primary

#153B64

secondary

#9B6C3A

accent

#9740E8

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153B64

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

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