#153A79#153A79

#153A79 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.116 H 260.4°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#153A79
RGB	rgb(21, 58, 121)
HSL	hsl(218, 70%, 28%)
HSV	hsv(218, 83%, 47%)
CMYK	cmyk(82.6%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(25.46, 11.99, -39.67)
CIE-LCH	lch(25.46, 41.44, 286.81°)
OKLab	oklab(36.13% -0.0193 -0.1142)
OKLCH	oklch(36.13% 0.116 260.4)
XYZ	xyz(5.2723, 4.5654, 18.6888)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A79 #795415

analogous

#156C79 #153A79 #221579

triadic

#153A79 #79153A #3A7915

tetradic

#153A79 #79156C #795415 #157922

square

#153A79 #79156C #795415 #157922

split-complementary

#153A79 #792215 #6C7915

monochromatic

#050C1A #0C2145 #153A79 #1E53AD #2E6EDB

Accessibility & contrast

On white

10.98

#153A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#153A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A79

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A79	#FFFFFF	#000000	##FFFFFF
##153A79	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13417B

Deuteranopia (green-blind)

#003878

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153a79;
/* rgb */ color: rgb(21, 58, 121);
/* oklch */ color: oklch(36.1% 0.116 260.4);

Tailwind

colors: {
  custom: {
    50: '#646fa0',
    500: '#153a79',
    950: '#000000',
  },
}

SCSS

$custom: #153a79;
$custom-light: #646fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#153a79",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 217.8,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36133,
    "c": 0.11579,
    "h": 260.4
  },
  "luminance": 0.04566
}

Semantic roles & 50–950 ramp

primary

#153A79

secondary

#AF843B

accent

#AB3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070F

muted

#7A7A7E

Preview Lab

Preview with #153A79

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

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