#1C375D#1C375D

#1C375D is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.6% C 0.075 H 257.2°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#1C375D
RGB	rgb(28, 55, 93)
HSL	hsl(215, 54%, 24%)
HSV	hsv(215, 70%, 36%)
CMYK	cmyk(69.9%, 40.9%, 0%, 63.5%)
CIE-LAB	lab(22.89, 3.63, -25.75)
CIE-LCH	lch(22.89, 26.01, 278.02°)
OKLab	oklab(33.62% -0.0166 -0.0732)
OKLCH	oklch(33.62% 0.075 257.2)
XYZ	xyz(3.8202, 3.7692, 10.8800)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C375D #5D421C

analogous

#1C575D #1C375D #211C5D

triadic

#1C375D #5D1C37 #375D1C

tetradic

#1C375D #5D1C57 #5D421C #1C5D21

square

#1C375D #5D1C57 #5D421C #1C5D21

split-complementary

#1C375D #5D211C #575D1C

monochromatic

#070E18 #0E1B2E #1C375D #2A538C #386FBB

Accessibility & contrast

On white

11.97

#1C375D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C375D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C375D

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C375D	#FFFFFF	#000000	##FFFFFF
##1C375D	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263A5F

Deuteranopia (green-blind)

#1D345C

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c375d;
/* rgb */ color: rgb(28, 55, 93);
/* oklch */ color: oklch(33.6% 0.075 257.2);

Tailwind

colors: {
  custom: {
    50: '#606d8b',
    500: '#1c375d',
    950: '#000000',
  },
}

SCSS

$custom: #1c375d;
$custom-light: #606d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c375d",
  "rgb": {
    "r": 28,
    "g": 55,
    "b": 93
  },
  "hsl": {
    "h": 215.077,
    "s": 53.719,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3362,
    "c": 0.07506,
    "h": 257.2
  },
  "luminance": 0.0377
}

Semantic roles & 50–950 ramp

primary

#1C375D

secondary

#927142

accent

#A04BDD

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1C375D

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

Preview Lab → · Contrast checker → · Palette generator →