#1C2A5D#1C2A5D

#1C2A5D is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.093 H 268.8°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A5D
RGB	rgb(28, 42, 93)
HSL	hsl(227, 54%, 24%)
HSV	hsv(227, 70%, 36%)
CMYK	cmyk(69.9%, 54.8%, 0%, 63.5%)
CIE-LAB	lab(18.77, 12.95, -32.35)
CIE-LCH	lch(18.77, 34.85, 291.82°)
OKLab	oklab(30.45% -0.002 -0.0928)
OKLCH	oklch(30.45% 0.093 268.8)
XYZ	xyz(3.2820, 2.6928, 10.7006)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A5D #5D4F1C

analogous

#1C4A5D #1C2A5D #2E1C5D

triadic

#1C2A5D #5D1C2A #2A5D1C

tetradic

#1C2A5D #5D1C4A #5D4F1C #1C5D2E

square

#1C2A5D #5D1C4A #5D4F1C #1C5D2E

split-complementary

#1C2A5D #5D2E1C #4A5D1C

monochromatic

#070B18 #0E152E #1C2A5D #2A3F8C #3854BB

Accessibility & contrast

On white

13.65

#1C2A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1C2A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A5D

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A5D	#FFFFFF	#000000	##FFFFFF
##1C2A5D	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C315F

Deuteranopia (green-blind)

#002B5C

Tritanopia (blue-blind)

#00363F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c2a5d;
/* rgb */ color: rgb(28, 42, 93);
/* oklch */ color: oklch(30.5% 0.093 268.8);

Tailwind

colors: {
  custom: {
    50: '#61638b',
    500: '#1c2a5d',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a5d;
$custom-light: #61638b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a5d",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 93
  },
  "hsl": {
    "h": 227.077,
    "s": 53.719,
    "l": 23.725
  },
  "oklch": {
    "l": 0.30451,
    "c": 0.09281,
    "h": 268.8
  },
  "luminance": 0.02693
}

Semantic roles & 50–950 ramp

primary

#1C2A5D

secondary

#928142

accent

#BE4BDD

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1C2A5D

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

Preview Lab → · Contrast checker → · Palette generator →