#1C2F87#1C2F87

#1C2F87 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.148 H 268.1°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F87
RGB	rgb(28, 47, 135)
HSL	hsl(229, 66%, 32%)
HSV	hsv(229, 79%, 53%)
CMYK	cmyk(79.3%, 65.2%, 0%, 47.1%)
CIE-LAB	lab(23.77, 26.20, -51.21)
CIE-LCH	lch(23.77, 57.53, 297.10°)
OKLab	oklab(35.3% -0.0049 -0.1481)
OKLCH	oklch(35.3% 0.148 268.1)
XYZ	xyz(5.8671, 4.0285, 23.3853)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F87 #87741C

analogous

#1C6587 #1C2F87 #3F1C87

triadic

#1C2F87 #871C2F #2F871C

tetradic

#1C2F87 #871C65 #87741C #1C873F

square

#1C2F87 #871C65 #87741C #1C873F

split-complementary

#1C2F87 #873F1C #65871C

monochromatic

#070C22 #111D54 #1C2F87 #2741BA #455FD8

Accessibility & contrast

On white

11.63

#1C2F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1C2F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F87

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F87	#FFFFFF	#000000	##FFFFFF
##1C2F87	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#003485

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c2f87;
/* rgb */ color: rgb(28, 47, 135);
/* oklch */ color: oklch(35.3% 0.148 268.1);

Tailwind

colors: {
  custom: {
    50: '#6b67ab',
    500: '#1c2f87',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f87;
$custom-light: #6b67ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f87",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 135
  },
  "hsl": {
    "h": 229.346,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35302,
    "c": 0.14821,
    "h": 268.1
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#1C2F87

secondary

#BAA545

accent

#CB3FE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1C2F87

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

Preview Lab → · Contrast checker → · Palette generator →