#1D357C#1D357C

#1D357C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.124 H 266.1°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#1D357C
RGB	rgb(29, 53, 124)
HSL	hsl(225, 62%, 30%)
HSV	hsv(225, 77%, 49%)
CMYK	cmyk(76.6%, 57.3%, 0%, 51.4%)
CIE-LAB	lab(24.52, 17.76, -43.07)
CIE-LCH	lch(24.52, 46.59, 292.41°)
OKLab	oklab(35.58% -0.0086 -0.1241)
OKLCH	oklch(35.58% 0.124 266.1)
XYZ	xyz(5.4166, 4.2621, 19.6021)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D357C #7C641D

analogous

#1D657C #1D357C #341D7C

triadic

#1D357C #7C1D35 #357C1D

tetradic

#1D357C #7C1D65 #7C641D #1D7C34

square

#1D357C #7C1D65 #7C641D #1D7C34

split-complementary

#1D357C #7C341D #657C1D

monochromatic

#060B19 #11204A #1D357C #294AAE #4166D3

Accessibility & contrast

On white

11.34

#1D357C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1D357C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D357C

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D357C	#FFFFFF	#000000	##FFFFFF
##1D357C	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d357c;
/* rgb */ color: rgb(29, 53, 124);
/* oklch */ color: oklch(35.6% 0.124 266.1);

Tailwind

colors: {
  custom: {
    50: '#686ba2',
    500: '#1d357c',
    950: '#000000',
  },
}

SCSS

$custom: #1d357c;
$custom-light: #686ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d357c",
  "rgb": {
    "r": 29,
    "g": 53,
    "b": 124
  },
  "hsl": {
    "h": 224.842,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.35581,
    "c": 0.12442,
    "h": 266.1
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#1D357C

secondary

#B09545

accent

#BC43E5

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D357C

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

Preview Lab → · Contrast checker → · Palette generator →