#1C1F7D#1C1F7D

#1C1F7D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.154 H 272.0°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C1F7D
RGB	rgb(28, 31, 125)
HSL	hsl(238, 63%, 30%)
HSV	hsv(238, 78%, 49%)
CMYK	cmyk(77.6%, 75.2%, 0%, 51%)
CIE-LAB	lab(18.83, 32.99, -53.02)
CIE-LCH	lch(18.83, 62.44, 301.89°)
OKLab	oklab(31.41% 0.0053 -0.1534)
OKLCH	oklch(31.41% 0.154 272)
XYZ	xyz(4.6693, 2.7070, 19.6745)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1F7D #7D7A1C

analogous

#1C507D #1C1F7D #491C7D

triadic

#1C1F7D #7D1C1F #1F7D1C

tetradic

#1C1F7D #7D1C50 #7D7A1C #1C7D49

square

#1C1F7D #7D1C50 #7D7A1C #1C7D49

split-complementary

#1C1F7D #7D491C #507D1C

monochromatic

#060619 #11134B #1C1F7D #272BAF #3F44D4

Accessibility & contrast

On white

13.62

#1C1F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1C1F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1F7D

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1F7D	#FFFFFF	#000000	##FFFFFF
##1C1F7D	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#00297B

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c1f7d;
/* rgb */ color: rgb(28, 31, 125);
/* oklch */ color: oklch(31.4% 0.154 272.0);

Tailwind

colors: {
  custom: {
    50: '#6a5ba4',
    500: '#1c1f7d',
    950: '#000000',
  },
}

SCSS

$custom: #1c1f7d;
$custom-light: #6a5ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1f7d",
  "rgb": {
    "r": 28,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 238.144,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.31412,
    "c": 0.15354,
    "h": 272
  },
  "luminance": 0.02708
}

Semantic roles & 50–950 ramp

primary

#1C1F7D

secondary

#B1AD44

accent

#E141E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C1F7D

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

Preview Lab → · Contrast checker → · Palette generator →