#153C78#153C78

#153C78 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.112 H 259.1°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#153C78
RGB	rgb(21, 60, 120)
HSL	hsl(216, 70%, 28%)
HSV	hsv(216, 83%, 47%)
CMYK	cmyk(82.5%, 50%, 0%, 52.9%)
CIE-LAB	lab(26.00, 10.15, -38.16)
CIE-LCH	lch(26.00, 39.49, 284.90°)
OKLab	oklab(36.53% -0.0212 -0.1097)
OKLCH	oklch(36.53% 0.112 259.1)
XYZ	xyz(5.3140, 4.7466, 18.4018)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C78 #785115

analogous

#156D78 #153C78 #201578

triadic

#153C78 #78153C #3C7815

tetradic

#153C78 #78156D #785115 #157820

square

#153C78 #78156D #785115 #157820

split-complementary

#153C78 #782015 #6D7815

monochromatic

#050D1A #0C2244 #153C78 #1E56AC #2D71DA

Accessibility & contrast

On white

10.77

#153C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#153C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C78

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C78	#FFFFFF	#000000	##FFFFFF
##153C78	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A427A

Deuteranopia (green-blind)

#003977

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153c78;
/* rgb */ color: rgb(21, 60, 120);
/* oklch */ color: oklch(36.5% 0.112 259.1);

Tailwind

colors: {
  custom: {
    50: '#64719f',
    500: '#153c78',
    950: '#000000',
  },
}

SCSS

$custom: #153c78;
$custom-light: #64719f;
$custom-dark: #000000;

JSON

{
  "hex": "#153c78",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 120
  },
  "hsl": {
    "h": 216.364,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36525,
    "c": 0.1117,
    "h": 259.1
  },
  "luminance": 0.04747
}

Semantic roles & 50–950 ramp

primary

#153C78

secondary

#AE813B

accent

#A73BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153C78

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

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