#153D71#153D71

#153D71 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.2% C 0.100 H 256.5°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#153D71
RGB	rgb(21, 61, 113)
HSL	hsl(214, 69%, 26%)
HSV	hsv(214, 81%, 44%)
CMYK	cmyk(81.4%, 46%, 0%, 55.7%)
CIE-LAB	lab(25.83, 6.52, -34.00)
CIE-LCH	lch(25.83, 34.62, 280.86°)
OKLab	oklab(36.24% -0.0234 -0.0974)
OKLCH	oklch(36.24% 0.1 256.5)
XYZ	xyz(4.9575, 4.6886, 16.2633)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D71 #714915

analogous

#156B71 #153D71 #1B1571

triadic

#153D71 #71153D #3D7115

tetradic

#153D71 #71156B #714915 #15711B

square

#153D71 #71156B #714915 #15711B

split-complementary

#153D71 #711B15 #6B7115

monochromatic

#050E1A #0B213D #153D71 #1F59A5 #2975D7

Accessibility & contrast

On white

10.84

#153D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#153D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D71

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D71	#FFFFFF	#000000	##FFFFFF
##153D71	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234273

Deuteranopia (green-blind)

#103970

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153d71;
/* rgb */ color: rgb(21, 61, 113);
/* oklch */ color: oklch(36.2% 0.100 256.5);

Tailwind

colors: {
  custom: {
    50: '#62729a',
    500: '#153d71',
    950: '#000000',
  },
}

SCSS

$custom: #153d71;
$custom-light: #62729a;
$custom-dark: #000000;

JSON

{
  "hex": "#153d71",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 113
  },
  "hsl": {
    "h": 213.913,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36237,
    "c": 0.10019,
    "h": 256.5
  },
  "luminance": 0.04689
}

Semantic roles & 50–950 ramp

primary

#153D71

secondary

#A7783B

accent

#9F3CEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153D71

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

Preview Lab → · Contrast checker → · Palette generator →