#1C3D90#1C3D90

#1C3D90 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.143 H 264.3°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D90
RGB	rgb(28, 61, 144)
HSL	hsl(223, 67%, 34%)
HSV	hsv(223, 81%, 56%)
CMYK	cmyk(80.6%, 57.6%, 0%, 43.5%)
CIE-LAB	lab(28.37, 20.10, -49.27)
CIE-LCH	lch(28.37, 53.22, 292.20°)
OKLab	oklab(38.98% -0.0142 -0.1422)
OKLCH	oklch(38.98% 0.143 264.3)
XYZ	xyz(7.1799, 5.5971, 27.0821)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D90 #906F1C

analogous

#1C7790 #1C3D90 #351C90

triadic

#1C3D90 #901C3D #3D901C

tetradic

#1C3D90 #901C77 #906F1C #1C9035

square

#1C3D90 #901C77 #906F1C #1C9035

split-complementary

#1C3D90 #90351C #77901C

monochromatic

#08122A #12275D #1C3D90 #2653C3 #4A74DC

Accessibility & contrast

On white

9.91

#1C3D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1C3D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D90

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D90	#FFFFFF	#000000	##FFFFFF
##1C3D90	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c3d90;
/* rgb */ color: rgb(28, 61, 144);
/* oklch */ color: oklch(39.0% 0.143 264.3);

Tailwind

colors: {
  custom: {
    50: '#6c72b1',
    500: '#1c3d90',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d90;
$custom-light: #6c72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d90",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 144
  },
  "hsl": {
    "h": 222.931,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38979,
    "c": 0.14295,
    "h": 264.3
  },
  "luminance": 0.05598
}

Semantic roles & 50–950 ramp

primary

#1C3D90

secondary

#BE9D4A

accent

#B93DEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C3D90

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

Preview Lab → · Contrast checker → · Palette generator →