#1C2F78#1C2F78

#1C2F78 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.127 H 267.8°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F78
RGB	rgb(28, 47, 120)
HSL	hsl(228, 62%, 29%)
HSV	hsv(228, 77%, 47%)
CMYK	cmyk(76.7%, 60.8%, 0%, 52.9%)
CIE-LAB	lab(22.43, 20.25, -43.94)
CIE-LCH	lch(22.43, 48.38, 294.75°)
OKLab	oklab(33.89% -0.0048 -0.1268)
OKLCH	oklch(33.89% 0.127 267.8)
XYZ	xyz(4.8844, 3.6355, 18.2100)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F78 #78651C

analogous

#1C5D78 #1C2F78 #371C78

triadic

#1C2F78 #781C2F #2F781C

tetradic

#1C2F78 #781C5D #78651C #1C7837

square

#1C2F78 #781C5D #78651C #1C7837

split-complementary

#1C2F78 #78371C #5D781C

monochromatic

#060A19 #101C46 #1C2F78 #2842AA #3D5BD2

Accessibility & contrast

On white

12.16

#1C2F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1C2F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F78

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F78	#FFFFFF	#000000	##FFFFFF
##1C2F78	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#003177

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2f78;
/* rgb */ color: rgb(28, 47, 120);
/* oklch */ color: oklch(33.9% 0.127 267.8);

Tailwind

colors: {
  custom: {
    50: '#6767a0',
    500: '#1c2f78',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f78;
$custom-light: #6767a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f78",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 120
  },
  "hsl": {
    "h": 227.609,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33895,
    "c": 0.12688,
    "h": 267.8
  },
  "luminance": 0.03636
}

Semantic roles & 50–950 ramp

primary

#1C2F78

secondary

#AC9744

accent

#C443E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1C2F78

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

Preview Lab → · Contrast checker → · Palette generator →