#1C2F7D#1C2F7D

#1C2F7D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.134 H 268.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F7D
RGB	rgb(28, 47, 125)
HSL	hsl(228, 63%, 30%)
HSV	hsv(228, 78%, 49%)
CMYK	cmyk(77.6%, 62.4%, 0%, 51%)
CIE-LAB	lab(22.86, 22.25, -46.40)
CIE-LCH	lch(22.86, 51.46, 295.62°)
OKLab	oklab(34.35% -0.0048 -0.134)
OKLCH	oklch(34.35% 0.134 268)
XYZ	xyz(5.1958, 3.7600, 19.8500)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F7D #7D6A1C

analogous

#1C607D #1C2F7D #391C7D

triadic

#1C2F7D #7D1C2F #2F7D1C

tetradic

#1C2F7D #7D1C60 #7D6A1C #1C7D39

square

#1C2F7D #7D1C60 #7D6A1C #1C7D39

split-complementary

#1C2F7D #7D391C #607D1C

monochromatic

#060919 #111C4B #1C2F7D #2742AF #3F5CD4

Accessibility & contrast

On white

11.98

#1C2F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C2F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F7D

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F7D	#FFFFFF	#000000	##FFFFFF
##1C2F7D	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#00327B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2f7d;
/* rgb */ color: rgb(28, 47, 125);
/* oklch */ color: oklch(34.4% 0.134 268.0);

Tailwind

colors: {
  custom: {
    50: '#6867a3',
    500: '#1c2f7d',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f7d;
$custom-light: #6867a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f7d",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 125
  },
  "hsl": {
    "h": 228.247,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.34353,
    "c": 0.13411,
    "h": 268
  },
  "luminance": 0.03761
}

Semantic roles & 50–950 ramp

primary

#1C2F7D

secondary

#B19B44

accent

#C641E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C2F7D

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

Preview Lab → · Contrast checker → · Palette generator →