#1C4091#1C4091

#1C4091 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.140 H 263.3°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#1C4091
RGB	rgb(28, 64, 145)
HSL	hsl(222, 68%, 34%)
HSV	hsv(222, 81%, 57%)
CMYK	cmyk(80.7%, 55.9%, 0%, 43.1%)
CIE-LAB	lab(29.30, 18.43, -48.37)
CIE-LCH	lch(29.30, 51.77, 290.86°)
OKLab	oklab(39.71% -0.0163 -0.1395)
OKLCH	oklch(39.71% 0.14 263.3)
XYZ	xyz(7.4213, 5.9571, 27.5413)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4091 #916D1C

analogous

#1C7B91 #1C4091 #321C91

triadic

#1C4091 #911C40 #40911C

tetradic

#1C4091 #911C7B #916D1C #1C9132

square

#1C4091 #911C7B #916D1C #1C9132

split-complementary

#1C4091 #91321C #7B911C

monochromatic

#08132A #12295E #1C4091 #2657C4 #4B78DC

Accessibility & contrast

On white

9.58

#1C4091 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1C4091 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4091

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4091	#FFFFFF	#000000	##FFFFFF
##1C4091	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B94

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c4091;
/* rgb */ color: rgb(28, 64, 145);
/* oklch */ color: oklch(39.7% 0.140 263.3);

Tailwind

colors: {
  custom: {
    50: '#6c74b2',
    500: '#1c4091',
    950: '#000000',
  },
}

SCSS

$custom: #1c4091;
$custom-light: #6c74b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4091",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 145
  },
  "hsl": {
    "h": 221.538,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39707,
    "c": 0.14049,
    "h": 263.3
  },
  "luminance": 0.05958
}

Semantic roles & 50–950 ramp

primary

#1C4091

secondary

#BE9B4A

accent

#B53DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4091

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

Preview Lab → · Contrast checker → · Palette generator →