#1C3D86#1C3D86

#1C3D86 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.129 H 263.3°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D86
RGB	rgb(28, 61, 134)
HSL	hsl(221, 65%, 32%)
HSV	hsv(221, 79%, 53%)
CMYK	cmyk(79.1%, 54.5%, 0%, 47.5%)
CIE-LAB	lab(27.59, 16.06, -44.36)
CIE-LCH	lch(27.59, 47.18, 289.90°)
OKLab	oklab(38.14% -0.015 -0.1278)
OKLCH	oklch(38.14% 0.129 263.3)
XYZ	xyz(6.4492, 5.3049, 23.2337)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D86 #86651C

analogous

#1C7286 #1C3D86 #301C86

triadic

#1C3D86 #861C3D #3D861C

tetradic

#1C3D86 #861C72 #86651C #1C8630

square

#1C3D86 #861C72 #86651C #1C8630

split-complementary

#1C3D86 #86301C #72861C

monochromatic

#070F21 #112653 #1C3D86 #2754B9 #4472D8

Accessibility & contrast

On white

10.19

#1C3D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1C3D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D86

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D86	#FFFFFF	#000000	##FFFFFF
##1C3D86	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074689

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c3d86;
/* rgb */ color: rgb(28, 61, 134);
/* oklch */ color: oklch(38.1% 0.129 263.3);

Tailwind

colors: {
  custom: {
    50: '#6a71aa',
    500: '#1c3d86',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d86;
$custom-light: #6a71aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d86",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 134
  },
  "hsl": {
    "h": 221.321,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38137,
    "c": 0.12868,
    "h": 263.3
  },
  "luminance": 0.05306
}

Semantic roles & 50–950 ramp

primary

#1C3D86

secondary

#B99545

accent

#B43FE8

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1C3D86

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

Preview Lab → · Contrast checker → · Palette generator →