#1C3291#1C3291

#1C3291 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.158 H 267.5°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#1C3291
RGB	rgb(28, 50, 145)
HSL	hsl(229, 68%, 34%)
HSV	hsv(229, 81%, 57%)
CMYK	cmyk(80.7%, 65.5%, 0%, 43.1%)
CIE-LAB	lab(25.48, 28.05, -54.62)
CIE-LCH	lch(25.48, 61.40, 297.19°)
OKLab	oklab(36.85% -0.007 -0.1581)
OKLCH	oklch(36.85% 0.158 267.5)
XYZ	xyz(6.7285, 4.5716, 27.3104)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3291 #917B1C

analogous

#1C6D91 #1C3291 #411C91

triadic

#1C3291 #911C32 #32911C

tetradic

#1C3291 #911C6D #917B1C #1C9141

square

#1C3291 #911C6D #917B1C #1C9141

split-complementary

#1C3291 #91411C #6D911C

monochromatic

#080F2A #12205E #1C3291 #2644C4 #4B66DC

Accessibility & contrast

On white

10.97

#1C3291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1C3291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3291

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3291	#FFFFFF	#000000	##FFFFFF
##1C3291	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004294

Deuteranopia (green-blind)

#00378F

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1c3291;
/* rgb */ color: rgb(28, 50, 145);
/* oklch */ color: oklch(36.8% 0.158 267.5);

Tailwind

colors: {
  custom: {
    50: '#6d69b2',
    500: '#1c3291',
    950: '#000000',
  },
}

SCSS

$custom: #1c3291;
$custom-light: #6d69b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3291",
  "rgb": {
    "r": 28,
    "g": 50,
    "b": 145
  },
  "hsl": {
    "h": 228.718,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36849,
    "c": 0.15822,
    "h": 267.5
  },
  "luminance": 0.04572
}

Semantic roles & 50–950 ramp

primary

#1C3291

secondary

#BEA94A

accent

#CA3DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C3291

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

Preview Lab → · Contrast checker → · Palette generator →