#1C2D8D#1C2D8D

#1C2D8D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.159 H 268.6°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D8D
RGB	rgb(28, 45, 141)
HSL	hsl(231, 67%, 33%)
HSV	hsv(231, 80%, 55%)
CMYK	cmyk(80.1%, 68.1%, 0%, 44.7%)
CIE-LAB	lab(23.82, 29.88, -54.86)
CIE-LCH	lch(23.82, 62.46, 298.57°)
OKLab	oklab(35.52% -0.004 -0.1588)
OKLCH	oklch(35.52% 0.159 268.6)
XYZ	xyz(6.2233, 4.0460, 25.6471)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D8D #8D7C1C

analogous

#1C668D #1C2D8D #431C8D

triadic

#1C2D8D #8D1C2D #2D8D1C

tetradic

#1C2D8D #8D1C66 #8D7C1C #1C8D43

square

#1C2D8D #8D1C66 #8D7C1C #1C8D43

split-complementary

#1C2D8D #8D431C #668D1C

monochromatic

#080C27 #121D5A #1C2D8D #263DC0 #495FDB

Accessibility & contrast

On white

11.61

#1C2D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1C2D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D8D

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D8D	#FFFFFF	#000000	##FFFFFF
##1C2D8D	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00338B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c2d8d;
/* rgb */ color: rgb(28, 45, 141);
/* oklch */ color: oklch(35.5% 0.159 268.6);

Tailwind

colors: {
  custom: {
    50: '#6d66af',
    500: '#1c2d8d',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d8d;
$custom-light: #6d66af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d8d",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 141
  },
  "hsl": {
    "h": 230.973,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35519,
    "c": 0.15885,
    "h": 268.6
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#1C2D8D

secondary

#BDAB48

accent

#D03EEA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1C2D8D

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

Preview Lab → · Contrast checker → · Palette generator →