#153A78#153A78

#153A78 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.114 H 260.2°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#153A78
RGB	rgb(21, 58, 120)
HSL	hsl(218, 70%, 28%)
HSV	hsv(218, 83%, 47%)
CMYK	cmyk(82.5%, 51.7%, 0%, 52.9%)
CIE-LAB	lab(25.38, 11.57, -39.15)
CIE-LCH	lch(25.38, 40.83, 286.46°)
OKLab	oklab(36.05% -0.0195 -0.1126)
OKLCH	oklch(36.05% 0.114 260.2)
XYZ	xyz(5.2112, 4.5410, 18.3675)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A78 #785315

analogous

#156B78 #153A78 #221578

triadic

#153A78 #78153A #3A7815

tetradic

#153A78 #78156B #785315 #157822

square

#153A78 #78156B #785315 #157822

split-complementary

#153A78 #782215 #6B7815

monochromatic

#050D1A #0C2144 #153A78 #1E53AC #2D6EDA

Accessibility & contrast

On white

11.00

#153A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#153A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A78

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A78	#FFFFFF	#000000	##FFFFFF
##153A78	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14417A

Deuteranopia (green-blind)

#003877

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153a78;
/* rgb */ color: rgb(21, 58, 120);
/* oklch */ color: oklch(36.1% 0.114 260.2);

Tailwind

colors: {
  custom: {
    50: '#646f9f',
    500: '#153a78',
    950: '#000000',
  },
}

SCSS

$custom: #153a78;
$custom-light: #646f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#153a78",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 120
  },
  "hsl": {
    "h": 217.576,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36053,
    "c": 0.11432,
    "h": 260.2
  },
  "luminance": 0.04542
}

Semantic roles & 50–950 ramp

primary

#153A78

secondary

#AE833B

accent

#AA3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153A78

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

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