#1C285E#1C285E

#1C285E is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.1% C 0.097 H 270.1°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#1C285E
RGB	rgb(28, 40, 94)
HSL	hsl(229, 54%, 24%)
HSV	hsv(229, 70%, 37%)
CMYK	cmyk(70.2%, 57.4%, 0%, 63.1%)
CIE-LAB	lab(18.24, 14.81, -33.86)
CIE-LCH	lch(18.24, 36.96, 293.63°)
OKLab	oklab(30.08% 0.0002 -0.0973)
OKLCH	oklch(30.08% 0.097 270.1)
XYZ	xyz(3.2574, 2.5723, 10.9123)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C285E #5E521C

analogous

#1C495E #1C285E #311C5E

triadic

#1C285E #5E1C28 #285E1C

tetradic

#1C285E #5E1C49 #5E521C #1C5E31

square

#1C285E #5E1C49 #5E521C #1C5E31

split-complementary

#1C285E #5E311C #495E1C

monochromatic

#070A18 #0E142F #1C285E #2A3C8D #3850BC

Accessibility & contrast

On white

13.87

#1C285E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C285E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C285E

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C285E	#FFFFFF	#000000	##FFFFFF
##1C285E	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043060

Deuteranopia (green-blind)

#002A5D

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c285e;
/* rgb */ color: rgb(28, 40, 94);
/* oklch */ color: oklch(30.1% 0.097 270.1);

Tailwind

colors: {
  custom: {
    50: '#61618c',
    500: '#1c285e',
    950: '#000000',
  },
}

SCSS

$custom: #1c285e;
$custom-light: #61618c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c285e",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 94
  },
  "hsl": {
    "h": 229.091,
    "s": 54.098,
    "l": 23.922
  },
  "oklch": {
    "l": 0.30078,
    "c": 0.09727,
    "h": 270.1
  },
  "luminance": 0.02573
}

Semantic roles & 50–950 ramp

primary

#1C285E

secondary

#938542

accent

#C34ADD

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1C285E

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

Preview Lab → · Contrast checker → · Palette generator →