#1C3085#1C3085

#1C3085 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.144 H 267.8°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#1C3085
RGB	rgb(28, 48, 133)
HSL	hsl(229, 65%, 32%)
HSV	hsv(229, 79%, 52%)
CMYK	cmyk(78.9%, 63.9%, 0%, 47.8%)
CIE-LAB	lab(23.85, 24.73, -49.83)
CIE-LCH	lch(23.85, 55.62, 296.40°)
OKLab	oklab(35.31% -0.0055 -0.144)
OKLCH	oklch(35.31% 0.144 267.8)
XYZ	xyz(5.7680, 4.0536, 22.6642)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3085 #85711C

analogous

#1C6585 #1C3085 #3D1C85

triadic

#1C3085 #851C30 #30851C

tetradic

#1C3085 #851C65 #85711C #1C853D

square

#1C3085 #851C65 #85711C #1C853D

split-complementary

#1C3085 #853D1C #65851C

monochromatic

#070C20 #111E52 #1C3085 #2742B8 #4460D8

Accessibility & contrast

On white

11.60

#1C3085 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1C3085 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3085

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3085	#FFFFFF	#000000	##FFFFFF
##1C3085	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E88

Deuteranopia (green-blind)

#003483

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c3085;
/* rgb */ color: rgb(28, 48, 133);
/* oklch */ color: oklch(35.3% 0.144 267.8);

Tailwind

colors: {
  custom: {
    50: '#6a68a9',
    500: '#1c3085',
    950: '#000000',
  },
}

SCSS

$custom: #1c3085;
$custom-light: #6a68a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3085",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 133
  },
  "hsl": {
    "h": 228.571,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35306,
    "c": 0.14415,
    "h": 267.8
  },
  "luminance": 0.04054
}

Semantic roles & 50–950 ramp

primary

#1C3085

secondary

#B8A245

accent

#C840E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1C3085

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

Preview Lab → · Contrast checker → · Palette generator →