#153B76#153B76

#153B76 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.110 H 259.2°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#153B76
RGB	rgb(21, 59, 118)
HSL	hsl(216, 70%, 27%)
HSV	hsv(216, 82%, 46%)
CMYK	cmyk(82.2%, 50%, 0%, 53.7%)
CIE-LAB	lab(25.55, 10.02, -37.63)
CIE-LCH	lch(25.55, 38.94, 284.91°)
OKLab	oklab(36.13% -0.0207 -0.1081)
OKLCH	oklch(36.13% 0.11 259.2)
XYZ	xyz(5.1420, 4.5948, 17.7519)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B76 #765015

analogous

#156C76 #153B76 #201576

triadic

#153B76 #76153B #3B7615

tetradic

#153B76 #76156C #765015 #157620

square

#153B76 #76156C #765015 #157620

split-complementary

#153B76 #762015 #6C7615

monochromatic

#050D1A #0C2142 #153B76 #1E55AA #2C70D9

Accessibility & contrast

On white

10.94

#153B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#153B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B76

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B76	#FFFFFF	#000000	##FFFFFF
##153B76	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4178

Deuteranopia (green-blind)

#003875

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153b76;
/* rgb */ color: rgb(21, 59, 118);
/* oklch */ color: oklch(36.1% 0.110 259.2);

Tailwind

colors: {
  custom: {
    50: '#63709e',
    500: '#153b76',
    950: '#000000',
  },
}

SCSS

$custom: #153b76;
$custom-light: #63709e;
$custom-dark: #000000;

JSON

{
  "hex": "#153b76",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 118
  },
  "hsl": {
    "h": 216.495,
    "s": 69.784,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36131,
    "c": 0.11008,
    "h": 259.2
  },
  "luminance": 0.04595
}

Semantic roles & 50–950 ramp

primary

#153B76

secondary

#AC803B

accent

#A73BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153B76

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

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