#1C255E#1C255E

#1C255E is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.4% C 0.102 H 271.9°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C255E
RGB	rgb(28, 37, 94)
HSL	hsl(232, 54%, 24%)
HSV	hsv(232, 70%, 37%)
CMYK	cmyk(70.2%, 60.6%, 0%, 63.1%)
CIE-LAB	lab(17.36, 17.00, -35.30)
CIE-LCH	lch(17.36, 39.18, 295.71°)
OKLab	oklab(29.41% 0.0033 -0.1015)
OKLCH	oklch(29.41% 0.102 271.9)
XYZ	xyz(3.1602, 2.3779, 10.8799)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C255E #5E551C

analogous

#1C465E #1C255E #341C5E

triadic

#1C255E #5E1C25 #255E1C

tetradic

#1C255E #5E1C46 #5E551C #1C5E34

square

#1C255E #5E1C46 #5E551C #1C5E34

split-complementary

#1C255E #5E341C #465E1C

monochromatic

#070918 #0E122F #1C255E #2A388D #384ABC

Accessibility & contrast

On white

14.23

#1C255E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1C255E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C255E

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C255E	#FFFFFF	#000000	##FFFFFF
##1C255E	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E60

Deuteranopia (green-blind)

#00285D

Tritanopia (blue-blind)

#00333D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1c255e;
/* rgb */ color: rgb(28, 37, 94);
/* oklch */ color: oklch(29.4% 0.102 271.9);

Tailwind

colors: {
  custom: {
    50: '#615f8c',
    500: '#1c255e',
    950: '#000000',
  },
}

SCSS

$custom: #1c255e;
$custom-light: #615f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c255e",
  "rgb": {
    "r": 28,
    "g": 37,
    "b": 94
  },
  "hsl": {
    "h": 231.818,
    "s": 54.098,
    "l": 23.922
  },
  "oklch": {
    "l": 0.29414,
    "c": 0.10158,
    "h": 271.9
  },
  "luminance": 0.02378
}

Semantic roles & 50–950 ramp

primary

#1C255E

secondary

#938842

accent

#C94ADD

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1C255E

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

Preview Lab → · Contrast checker → · Palette generator →