#1C3086#1C3086

#1C3086 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.146 H 267.8°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#1C3086
RGB	rgb(28, 48, 134)
HSL	hsl(229, 65%, 32%)
HSV	hsv(229, 79%, 53%)
CMYK	cmyk(79.1%, 64.2%, 0%, 47.5%)
CIE-LAB	lab(23.94, 25.12, -50.30)
CIE-LCH	lch(23.94, 56.23, 296.54°)
OKLab	oklab(35.4% -0.0055 -0.1454)
OKLCH	oklch(35.4% 0.146 267.8)
XYZ	xyz(5.8374, 4.0814, 23.0298)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3086 #86721C

analogous

#1C6586 #1C3086 #3D1C86

triadic

#1C3086 #861C30 #30861C

tetradic

#1C3086 #861C65 #86721C #1C863D

square

#1C3086 #861C65 #86721C #1C863D

split-complementary

#1C3086 #863D1C #65861C

monochromatic

#070C21 #111E53 #1C3086 #2742B9 #4460D8

Accessibility & contrast

On white

11.56

#1C3086 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1C3086 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3086

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3086	#FFFFFF	#000000	##FFFFFF
##1C3086	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E89

Deuteranopia (green-blind)

#003484

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c3086;
/* rgb */ color: rgb(28, 48, 134);
/* oklch */ color: oklch(35.4% 0.146 267.8);

Tailwind

colors: {
  custom: {
    50: '#6b68aa',
    500: '#1c3086',
    950: '#000000',
  },
}

SCSS

$custom: #1c3086;
$custom-light: #6b68aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3086",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 134
  },
  "hsl": {
    "h": 228.679,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35402,
    "c": 0.14555,
    "h": 267.8
  },
  "luminance": 0.04082
}

Semantic roles & 50–950 ramp

primary

#1C3086

secondary

#B9A345

accent

#C93FE8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1C3086

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

Preview Lab → · Contrast checker → · Palette generator →