#1C2F79#1C2F79

#1C2F79 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.128 H 267.9°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F79
RGB	rgb(28, 47, 121)
HSL	hsl(228, 62%, 29%)
HSV	hsv(228, 77%, 47%)
CMYK	cmyk(76.9%, 61.2%, 0%, 52.5%)
CIE-LAB	lab(22.51, 20.66, -44.43)
CIE-LCH	lch(22.51, 49.00, 294.93°)
OKLab	oklab(33.99% -0.0048 -0.1282)
OKLCH	oklch(33.99% 0.128 267.9)
XYZ	xyz(4.9454, 3.6599, 18.5312)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F79 #79661C

analogous

#1C5E79 #1C2F79 #381C79

triadic

#1C2F79 #791C2F #2F791C

tetradic

#1C2F79 #791C5E #79661C #1C7938

square

#1C2F79 #791C5E #79661C #1C7938

split-complementary

#1C2F79 #79381C #5E791C

monochromatic

#060A19 #101C47 #1C2F79 #2842AB #3D5CD2

Accessibility & contrast

On white

12.12

#1C2F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1C2F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F79

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F79	#FFFFFF	#000000	##FFFFFF
##1C2F79	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7B

Deuteranopia (green-blind)

#003278

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2f79;
/* rgb */ color: rgb(28, 47, 121);
/* oklch */ color: oklch(34.0% 0.128 267.9);

Tailwind

colors: {
  custom: {
    50: '#6767a0',
    500: '#1c2f79',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f79;
$custom-light: #6767a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f79",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 121
  },
  "hsl": {
    "h": 227.742,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33985,
    "c": 0.12834,
    "h": 267.9
  },
  "luminance": 0.0366
}

Semantic roles & 50–950 ramp

primary

#1C2F79

secondary

#AD9844

accent

#C442E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1C2F79

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

Preview Lab → · Contrast checker → · Palette generator →