#153A72#153A72

#153A72 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.105 H 258.8°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#153A72
RGB	rgb(21, 58, 114)
HSL	hsl(216, 69%, 26%)
HSV	hsv(216, 82%, 45%)
CMYK	cmyk(81.6%, 49.1%, 0%, 55.3%)
CIE-LAB	lab(24.95, 9.05, -36.04)
CIE-LCH	lch(24.95, 37.16, 284.09°)
OKLab	oklab(35.58% -0.0205 -0.1035)
OKLCH	oklch(35.58% 0.106 258.8)
XYZ	xyz(4.8585, 4.3999, 16.5095)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A72 #724D15

analogous

#156972 #153A72 #1F1572

triadic

#153A72 #72153A #3A7215

tetradic

#153A72 #721569 #724D15 #15721F

square

#153A72 #721569 #724D15 #15721F

split-complementary

#153A72 #721F15 #697215

monochromatic

#050D1A #0B203E #153A72 #1F54A6 #2A6FD8

Accessibility & contrast

On white

11.17

#153A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#153A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A72

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A72	#FFFFFF	#000000	##FFFFFF
##153A72	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4074

Deuteranopia (green-blind)

#033771

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153a72;
/* rgb */ color: rgb(21, 58, 114);
/* oklch */ color: oklch(35.6% 0.105 258.8);

Tailwind

colors: {
  custom: {
    50: '#626f9b',
    500: '#153a72',
    950: '#000000',
  },
}

SCSS

$custom: #153a72;
$custom-light: #626f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#153a72",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 114
  },
  "hsl": {
    "h": 216.129,
    "s": 68.889,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35581,
    "c": 0.1055,
    "h": 258.8
  },
  "luminance": 0.044
}

Semantic roles & 50–950 ramp

primary

#153A72

secondary

#A87D3B

accent

#A63CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153A72

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

Preview Lab → · Contrast checker → · Palette generator →