#1C357D#1C357D

#1C357D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.126 H 265.7°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C357D
RGB	rgb(28, 53, 125)
HSL	hsl(225, 63%, 30%)
HSV	hsv(225, 78%, 49%)
CMYK	cmyk(77.6%, 57.6%, 0%, 51%)
CIE-LAB	lab(24.55, 18.03, -43.65)
CIE-LCH	lch(24.55, 47.22, 292.45°)
OKLab	oklab(35.62% -0.0094 -0.1258)
OKLCH	oklch(35.62% 0.126 265.7)
XYZ	xyz(5.4524, 4.2732, 19.9355)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C357D #7D641C

analogous

#1C667D #1C357D #331C7D

triadic

#1C357D #7D1C35 #357D1C

tetradic

#1C357D #7D1C66 #7D641C #1C7D33

square

#1C357D #7D1C66 #7D641C #1C7D33

split-complementary

#1C357D #7D331C #667D1C

monochromatic

#060B19 #11204B #1C357D #274AAF #3F66D4

Accessibility & contrast

On white

11.32

#1C357D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1C357D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C357D

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C357D	#FFFFFF	#000000	##FFFFFF
##1C357D	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7F

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c357d;
/* rgb */ color: rgb(28, 53, 125);
/* oklch */ color: oklch(35.6% 0.126 265.7);

Tailwind

colors: {
  custom: {
    50: '#686ba3',
    500: '#1c357d',
    950: '#000000',
  },
}

SCSS

$custom: #1c357d;
$custom-light: #686ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c357d",
  "rgb": {
    "r": 28,
    "g": 53,
    "b": 125
  },
  "hsl": {
    "h": 224.536,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.3562,
    "c": 0.12619,
    "h": 265.7
  },
  "luminance": 0.04274
}

Semantic roles & 50–950 ramp

primary

#1C357D

secondary

#B19544

accent

#BC41E6

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C357D

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

Preview Lab → · Contrast checker → · Palette generator →