#153C74#153C74

#153C74 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.2% C 0.106 H 258.1°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#153C74
RGB	rgb(21, 60, 116)
HSL	hsl(215, 69%, 27%)
HSV	hsv(215, 82%, 45%)
CMYK	cmyk(81.9%, 48.3%, 0%, 54.5%)
CIE-LAB	lab(25.72, 8.48, -36.08)
CIE-LCH	lch(25.72, 37.06, 283.22°)
OKLab	oklab(36.22% -0.0219 -0.1036)
OKLCH	oklch(36.22% 0.106 258.1)
XYZ	xyz(5.0763, 4.6515, 17.1499)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C74 #744D15

analogous

#156C74 #153C74 #1D1574

triadic

#153C74 #74153C #3C7415

tetradic

#153C74 #74156C #744D15 #15741D

square

#153C74 #74156C #744D15 #15741D

split-complementary

#153C74 #741D15 #6C7415

monochromatic

#050D1A #0C2140 #153C74 #1E57A8 #2B72D9

Accessibility & contrast

On white

10.88

#153C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#153C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C74

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C74	#FFFFFF	#000000	##FFFFFF
##153C74	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4276

Deuteranopia (green-blind)

#063973

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153c74;
/* rgb */ color: rgb(21, 60, 116);
/* oklch */ color: oklch(36.2% 0.106 258.1);

Tailwind

colors: {
  custom: {
    50: '#63719c',
    500: '#153c74',
    950: '#000000',
  },
}

SCSS

$custom: #153c74;
$custom-light: #63719c;
$custom-dark: #000000;

JSON

{
  "hex": "#153c74",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 116
  },
  "hsl": {
    "h": 215.368,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36217,
    "c": 0.10585,
    "h": 258.1
  },
  "luminance": 0.04652
}

Semantic roles & 50–950 ramp

primary

#153C74

secondary

#AA7C3B

accent

#A43CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153C74

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

Preview Lab → · Contrast checker → · Palette generator →