#1C2F91#1C2F91

#1C2F91 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.3% C 0.162 H 268.1°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F91
RGB	rgb(28, 47, 145)
HSL	hsl(230, 68%, 34%)
HSV	hsv(230, 81%, 57%)
CMYK	cmyk(80.7%, 67.6%, 0%, 43.1%)
CIE-LAB	lab(24.71, 30.07, -55.87)
CIE-LCH	lch(24.71, 63.45, 298.29°)
OKLab	oklab(36.29% -0.0053 -0.1618)
OKLCH	oklch(36.29% 0.162 268.1)
XYZ	xyz(6.6045, 4.3235, 27.2690)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F91 #917E1C

analogous

#1C6A91 #1C2F91 #441C91

triadic

#1C2F91 #911C2F #2F911C

tetradic

#1C2F91 #911C6A #917E1C #1C9144

square

#1C2F91 #911C6A #917E1C #1C9144

split-complementary

#1C2F91 #91441C #6A911C

monochromatic

#080E2A #121E5E #1C2F91 #2640C4 #4B63DC

Accessibility & contrast

On white

11.26

#1C2F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1C2F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F91

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F91	#FFFFFF	#000000	##FFFFFF
##1C2F91	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004094

Deuteranopia (green-blind)

#00358F

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c2f91;
/* rgb */ color: rgb(28, 47, 145);
/* oklch */ color: oklch(36.3% 0.162 268.1);

Tailwind

colors: {
  custom: {
    50: '#6e67b2',
    500: '#1c2f91',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f91;
$custom-light: #6e67b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f91",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 145
  },
  "hsl": {
    "h": 230.256,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36288,
    "c": 0.16185,
    "h": 268.1
  },
  "luminance": 0.04324
}

Semantic roles & 50–950 ramp

primary

#1C2F91

secondary

#BEAC4A

accent

#CE3DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C2F91

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

Preview Lab → · Contrast checker → · Palette generator →