#1C2F4D#1C2F4D

#1C2F4D is a dark, muted blue. Relative luminance 0.028; OKLCH L 30.5% C 0.060 H 259.2°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F4D
RGB	rgb(28, 47, 77)
HSL	hsl(217, 47%, 21%)
HSV	hsv(217, 64%, 30%)
CMYK	cmyk(63.6%, 39%, 0%, 69.8%)
CIE-LAB	lab(19.29, 2.94, -20.83)
CIE-LCH	lch(19.29, 21.03, 278.05°)
OKLab	oklab(30.5% -0.0112 -0.0589)
OKLCH	oklch(30.5% 0.06 259.2)
XYZ	xyz(2.8345, 2.8155, 7.4138)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F4D #4D3A1C

analogous

#1C474D #1C2F4D #211C4D

triadic

#1C2F4D #4D1C2F #2F4D1C

tetradic

#1C2F4D #4D1C47 #4D3A1C #1C4D21

square

#1C2F4D #4D1C47 #4D3A1C #1C4D21

split-complementary

#1C2F4D #4D211C #474D1C

monochromatic

#080E16 #0C1420 #1C2F4D #2C4A7A #3D66A7

Accessibility & contrast

On white

13.43

#1C2F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C2F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F4D

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F4D	#FFFFFF	#000000	##FFFFFF
##1C2F4D	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23314E

Deuteranopia (green-blind)

#1C2D4C

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c2f4d;
/* rgb */ color: rgb(28, 47, 77);
/* oklch */ color: oklch(30.5% 0.060 259.2);

Tailwind

colors: {
  custom: {
    50: '#5d677f',
    500: '#1c2f4d',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f4d;
$custom-light: #5d677f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f4d",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 77
  },
  "hsl": {
    "h": 216.735,
    "s": 46.667,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30502,
    "c": 0.05997,
    "h": 259.2
  },
  "luminance": 0.02816
}

Semantic roles & 50–950 ramp

primary

#1C2F4D

secondary

#836A42

accent

#A351D6

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #1C2F4D

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

Preview Lab → · Contrast checker → · Palette generator →