#153D5D#153D5D

#153D5D is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.072 H 246.1°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#153D5D
RGB	rgb(21, 61, 93)
HSL	hsl(207, 63%, 22%)
HSV	hsv(207, 77%, 36%)
CMYK	cmyk(77.4%, 34.4%, 0%, 63.5%)
CIE-LAB	lab(24.60, -1.76, -23.08)
CIE-LCH	lch(24.60, 23.14, 265.65°)
OKLab	oklab(34.88% -0.0289 -0.0654)
OKLCH	oklch(34.88% 0.072 246.1)
XYZ	xyz(3.9530, 4.2868, 10.9729)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D5D #5D3515

analogous

#155D59 #153D5D #15195D

triadic

#153D5D #5D153D #3D5D15

tetradic

#153D5D #59155D #5D3515 #195D15

square

#153D5D #59155D #5D3515 #195D15

split-complementary

#153D5D #5D1519 #5D5915

monochromatic

#061019 #0A1C2B #153D5D #205E8F #2C7EC1

Accessibility & contrast

On white

11.31

#153D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#153D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D5D

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D5D	#FFFFFF	#000000	##FFFFFF
##153D5D	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3E5E

Deuteranopia (green-blind)

#24375C

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153d5d;
/* rgb */ color: rgb(21, 61, 93);
/* oklch */ color: oklch(34.9% 0.072 246.1);

Tailwind

colors: {
  custom: {
    50: '#5d728b',
    500: '#153d5d',
    950: '#000000',
  },
}

SCSS

$custom: #153d5d;
$custom-light: #5d728b;
$custom-dark: #000000;

JSON

{
  "hex": "#153d5d",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 206.667,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34875,
    "c": 0.07151,
    "h": 246.1
  },
  "luminance": 0.04287
}

Semantic roles & 50–950 ramp

primary

#153D5D

secondary

#946239

accent

#8B42E6

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153D5D

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

Preview Lab → · Contrast checker → · Palette generator →