#1C285C#1C285C

#1C285C is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.9% C 0.094 H 270.0°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#1C285C
RGB	rgb(28, 40, 92)
HSL	hsl(229, 53%, 24%)
HSV	hsv(229, 70%, 36%)
CMYK	cmyk(69.6%, 56.5%, 0%, 63.9%)
CIE-LAB	lab(18.08, 14.01, -32.79)
CIE-LCH	lch(18.08, 35.66, 293.13°)
OKLab	oklab(29.91% 0.0001 -0.0941)
OKLCH	oklch(29.91% 0.094 270)
XYZ	xyz(3.1688, 2.5369, 10.4458)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C285C #5C501C

analogous

#1C485C #1C285C #301C5C

triadic

#1C285C #5C1C28 #285C1C

tetradic

#1C285C #5C1C48 #5C501C #1C5C30

square

#1C285C #5C1C48 #5C501C #1C5C30

split-complementary

#1C285C #5C301C #485C1C

monochromatic

#070A17 #0E142D #1C285C #2A3C8B #3951BA

Accessibility & contrast

On white

13.93

#1C285C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C285C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C285C

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C285C	#FFFFFF	#000000	##FFFFFF
##1C285C	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072F5E

Deuteranopia (green-blind)

#00295B

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c285c;
/* rgb */ color: rgb(28, 40, 92);
/* oklch */ color: oklch(29.9% 0.094 270.0);

Tailwind

colors: {
  custom: {
    50: '#60618b',
    500: '#1c285c',
    950: '#000000',
  },
}

SCSS

$custom: #1c285c;
$custom-light: #60618b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c285c",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 92
  },
  "hsl": {
    "h": 228.75,
    "s": 53.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.29909,
    "c": 0.09412,
    "h": 270
  },
  "luminance": 0.02537
}

Semantic roles & 50–950 ramp

primary

#1C285C

secondary

#918342

accent

#C14BDD

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #1C285C

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

Preview Lab → · Contrast checker → · Palette generator →