#153C88#153C88

#153C88 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.8% C 0.135 H 261.9°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#153C88
RGB	rgb(21, 60, 136)
HSL	hsl(220, 73%, 31%)
HSV	hsv(220, 85%, 53%)
CMYK	cmyk(84.6%, 55.9%, 0%, 46.7%)
CIE-LAB	lab(27.21, 16.83, -46.23)
CIE-LCH	lch(27.21, 49.20, 290.00°)
OKLab	oklab(37.83% -0.019 -0.1334)
OKLCH	oklch(37.83% 0.135 261.9)
XYZ	xyz(6.3674, 5.1679, 23.9497)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C88 #886115

analogous

#157588 #153C88 #271588

triadic

#153C88 #88153C #3C8815

tetradic

#153C88 #881575 #886115 #158827

square

#153C88 #881575 #886115 #158827

split-complementary

#153C88 #882715 #758815

monochromatic

#050D1E #0D2553 #153C88 #1D53BD #3771E0

Accessibility & contrast

On white

10.33

#153C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#153C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C88

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C88	#FFFFFF	#000000	##FFFFFF
##153C88	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468B

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153c88;
/* rgb */ color: rgb(21, 60, 136);
/* oklch */ color: oklch(37.8% 0.135 261.9);

Tailwind

colors: {
  custom: {
    50: '#6871ab',
    500: '#153c88',
    950: '#000000',
  },
}

SCSS

$custom: #153c88;
$custom-light: #6871ab;
$custom-dark: #000000;

JSON

{
  "hex": "#153c88",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 136
  },
  "hsl": {
    "h": 219.652,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37831,
    "c": 0.13477,
    "h": 261.9
  },
  "luminance": 0.05169
}

Semantic roles & 50–950 ramp

primary

#153C88

secondary

#BC913D

accent

#B238F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153C88

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

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