#1C2F72#1C2F72

#1C2F72 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.118 H 267.5°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F72
RGB	rgb(28, 47, 114)
HSL	hsl(227, 61%, 28%)
HSV	hsv(227, 75%, 45%)
CMYK	cmyk(75.4%, 58.8%, 0%, 55.3%)
CIE-LAB	lab(21.92, 17.84, -40.92)
CIE-LCH	lch(21.92, 44.64, 293.55°)
OKLab	oklab(33.36% -0.0051 -0.1179)
OKLCH	oklch(33.36% 0.118 267.5)
XYZ	xyz(4.5316, 3.4943, 16.3520)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F72 #725F1C

analogous

#1C5A72 #1C2F72 #341C72

triadic

#1C2F72 #721C2F #2F721C

tetradic

#1C2F72 #721C5A #725F1C #1C7234

square

#1C2F72 #721C5A #725F1C #1C7234

split-complementary

#1C2F72 #72341C #5A721C

monochromatic

#060A19 #101B41 #1C2F72 #2843A3 #3A5BCF

Accessibility & contrast

On white

12.36

#1C2F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C2F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F72

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F72	#FFFFFF	#000000	##FFFFFF
##1C2F72	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003974

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2f72;
/* rgb */ color: rgb(28, 47, 114);
/* oklch */ color: oklch(33.4% 0.118 267.5);

Tailwind

colors: {
  custom: {
    50: '#65679b',
    500: '#1c2f72',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f72;
$custom-light: #65679b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f72",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 114
  },
  "hsl": {
    "h": 226.744,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.33359,
    "c": 0.11804,
    "h": 267.5
  },
  "luminance": 0.03495
}

Semantic roles & 50–950 ramp

primary

#1C2F72

secondary

#A69143

accent

#C044E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C2F72

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

Preview Lab → · Contrast checker → · Palette generator →