#1C2D8F#1C2D8F

#1C2D8F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.7% C 0.162 H 268.5°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D8F
RGB	rgb(28, 45, 143)
HSL	hsl(231, 67%, 34%)
HSV	hsv(231, 80%, 56%)
CMYK	cmyk(80.4%, 68.5%, 0%, 43.9%)
CIE-LAB	lab(24.02, 30.64, -55.77)
CIE-LCH	lch(24.02, 63.64, 298.78°)
OKLab	oklab(35.72% -0.0041 -0.1615)
OKLCH	oklch(35.72% 0.162 268.5)
XYZ	xyz(6.3735, 4.1061, 26.4379)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D8F #8F7E1C

analogous

#1C668F #1C2D8F #441C8F

triadic

#1C2D8F #8F1C2D #2D8F1C

tetradic

#1C2D8F #8F1C66 #8F7E1C #1C8F44

square

#1C2D8F #8F1C66 #8F7E1C #1C8F44

split-complementary

#1C2D8F #8F441C #668F1C

monochromatic

#080D29 #121D5C #1C2D8F #263DC2 #4A5FDC

Accessibility & contrast

On white

11.53

#1C2D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1C2D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D8F

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D8F	#FFFFFF	#000000	##FFFFFF
##1C2D8F	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c2d8f;
/* rgb */ color: rgb(28, 45, 143);
/* oklch */ color: oklch(35.7% 0.162 268.5);

Tailwind

colors: {
  custom: {
    50: '#6d66b1',
    500: '#1c2d8f',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d8f;
$custom-light: #6d66b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d8f",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 143
  },
  "hsl": {
    "h": 231.13,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35722,
    "c": 0.16153,
    "h": 268.5
  },
  "luminance": 0.04107
}

Semantic roles & 50–950 ramp

primary

#1C2D8F

secondary

#BEAC49

accent

#D13EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C2D8F

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

Preview Lab → · Contrast checker → · Palette generator →