#1C4087#1C4087

#1C4087 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 38.9% C 0.126 H 262.1°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C4087
RGB	rgb(28, 64, 135)
HSL	hsl(220, 66%, 32%)
HSV	hsv(220, 79%, 53%)
CMYK	cmyk(79.3%, 52.6%, 0%, 47.1%)
CIE-LAB	lab(28.54, 14.38, -43.44)
CIE-LCH	lch(28.54, 45.76, 288.32°)
OKLab	oklab(38.89% -0.0174 -0.125)
OKLCH	oklch(38.89% 0.126 262.1)
XYZ	xyz(6.6839, 5.6622, 23.6576)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4087 #87631C

analogous

#1C7687 #1C4087 #2E1C87

triadic

#1C4087 #871C40 #40871C

tetradic

#1C4087 #871C76 #87631C #1C872E

square

#1C4087 #871C76 #87631C #1C872E

split-complementary

#1C4087 #872E1C #76871C

monochromatic

#071022 #112854 #1C4087 #2758BA #4577D8

Accessibility & contrast

On white

9.85

#1C4087 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1C4087 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4087

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4087	#FFFFFF	#000000	##FFFFFF
##1C4087	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12488A

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c4087;
/* rgb */ color: rgb(28, 64, 135);
/* oklch */ color: oklch(38.9% 0.126 262.1);

Tailwind

colors: {
  custom: {
    50: '#6a74aa',
    500: '#1c4087',
    950: '#000000',
  },
}

SCSS

$custom: #1c4087;
$custom-light: #6a74aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4087",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 135
  },
  "hsl": {
    "h": 219.813,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38889,
    "c": 0.12621,
    "h": 262.1
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#1C4087

secondary

#BA9345

accent

#B03FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C4087

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

Preview Lab → · Contrast checker → · Palette generator →