#1C409D#1C409D

#1C409D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.157 H 264.3°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#1C409D
RGB	rgb(28, 64, 157)
HSL	hsl(223, 70%, 36%)
HSV	hsv(223, 82%, 62%)
CMYK	cmyk(82.2%, 59.2%, 0%, 38.4%)
CIE-LAB	lab(30.27, 23.23, -54.12)
CIE-LCH	lch(30.27, 58.90, 293.23°)
OKLab	oklab(40.74% -0.0155 -0.1564)
OKLCH	oklch(40.74% 0.157 264.3)
XYZ	xyz(8.3959, 6.3470, 32.6743)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C409D #9D791C

analogous

#1C819D #1C409D #391C9D

triadic

#1C409D #9D1C40 #409D1C

tetradic

#1C409D #9D1C81 #9D791C #1C9D39

square

#1C409D #9D1C81 #9D791C #1C9D39

split-complementary

#1C409D #9D391C #819D1C

monochromatic

#091635 #132B69 #1C409D #2555D1 #537AE0

Accessibility & contrast

On white

9.25

#1C409D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1C409D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C409D

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C409D	#FFFFFF	#000000	##FFFFFF
##1C409D	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#00429B

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c409d;
/* rgb */ color: rgb(28, 64, 157);
/* oklch */ color: oklch(40.7% 0.157 264.3);

Tailwind

colors: {
  custom: {
    50: '#6f74bb',
    500: '#1c409d',
    950: '#000000',
  },
}

SCSS

$custom: #1c409d;
$custom-light: #6f74bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c409d",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 157
  },
  "hsl": {
    "h": 223.256,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40739,
    "c": 0.15719,
    "h": 264.3
  },
  "luminance": 0.06348
}

Semantic roles & 50–950 ramp

primary

#1C409D

secondary

#C3A451

accent

#BB3BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C409D

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

Preview Lab → · Contrast checker → · Palette generator →