#1C4085#1C4085

#1C4085 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.7% C 0.123 H 261.8°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C4085
RGB	rgb(28, 64, 133)
HSL	hsl(219, 65%, 32%)
HSV	hsv(219, 79%, 52%)
CMYK	cmyk(78.9%, 51.9%, 0%, 47.8%)
CIE-LAB	lab(28.40, 13.57, -42.43)
CIE-LCH	lch(28.40, 44.55, 287.73°)
OKLab	oklab(38.73% -0.0176 -0.1221)
OKLCH	oklch(38.73% 0.123 261.8)
XYZ	xyz(6.5444, 5.6064, 22.9230)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4085 #85611C

analogous

#1C7585 #1C4085 #2D1C85

triadic

#1C4085 #851C40 #40851C

tetradic

#1C4085 #851C75 #85611C #1C852D

square

#1C4085 #851C75 #85611C #1C852D

split-complementary

#1C4085 #852D1C #75851C

monochromatic

#070F20 #112852 #1C4085 #2758B8 #4476D8

Accessibility & contrast

On white

9.90

#1C4085 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1C4085 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4085

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4085	#FFFFFF	#000000	##FFFFFF
##1C4085	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154887

Deuteranopia (green-blind)

#003E84

Tritanopia (blue-blind)

#00515C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c4085;
/* rgb */ color: rgb(28, 64, 133);
/* oklch */ color: oklch(38.7% 0.123 261.8);

Tailwind

colors: {
  custom: {
    50: '#6974a9',
    500: '#1c4085',
    950: '#000000',
  },
}

SCSS

$custom: #1c4085;
$custom-light: #6974a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4085",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 133
  },
  "hsl": {
    "h": 219.429,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3873,
    "c": 0.12333,
    "h": 261.8
  },
  "luminance": 0.05607
}

Semantic roles & 50–950 ramp

primary

#1C4085

secondary

#B89145

accent

#AE40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C4085

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

Preview Lab → · Contrast checker → · Palette generator →