#153E7D#153E7D

#153E7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.116 H 259.1°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#153E7D
RGB	rgb(21, 62, 125)
HSL	hsl(216, 71%, 29%)
HSV	hsv(216, 83%, 49%)
CMYK	cmyk(83.2%, 50.4%, 0%, 51%)
CIE-LAB	lab(26.97, 10.84, -39.74)
CIE-LCH	lch(26.97, 41.19, 285.26°)
OKLab	oklab(37.39% -0.022 -0.1143)
OKLCH	oklch(37.39% 0.116 259.1)
XYZ	xyz(5.7322, 5.0847, 20.0774)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E7D #7D5415

analogous

#15727D #153E7D #20157D

triadic

#153E7D #7D153E #3E7D15

tetradic

#153E7D #7D1572 #7D5415 #157D20

square

#153E7D #7D1572 #7D5415 #157D20

split-complementary

#153E7D #7D2015 #727D15

monochromatic

#040D1A #0C2449 #153E7D #1E58B1 #3074DC

Accessibility & contrast

On white

10.41

#153E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#153E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E7D

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E7D	#FFFFFF	#000000	##FFFFFF
##153E7D	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19457F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153e7d;
/* rgb */ color: rgb(21, 62, 125);
/* oklch */ color: oklch(37.4% 0.116 259.1);

Tailwind

colors: {
  custom: {
    50: '#6572a3',
    500: '#153e7d',
    950: '#000000',
  },
}

SCSS

$custom: #153e7d;
$custom-light: #6572a3;
$custom-dark: #000000;

JSON

{
  "hex": "#153e7d",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 216.346,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37388,
    "c": 0.11639,
    "h": 259.1
  },
  "luminance": 0.05085
}

Semantic roles & 50–950 ramp

primary

#153E7D

secondary

#B2833C

accent

#A73AEE

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #153E7D

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

Preview Lab → · Contrast checker → · Palette generator →