#1C2E80#1C2E80

#1C2E80 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.140 H 268.3°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#1C2E80
RGB	rgb(28, 46, 128)
HSL	hsl(229, 64%, 31%)
HSV	hsv(229, 78%, 50%)
CMYK	cmyk(78.1%, 64.1%, 0%, 49.8%)
CIE-LAB	lab(22.86, 24.14, -48.30)
CIE-LCH	lch(22.86, 54.00, 296.55°)
OKLab	oklab(34.43% -0.0041 -0.1396)
OKLCH	oklch(34.43% 0.14 268.3)
XYZ	xyz(5.3508, 3.7588, 20.8614)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2E80 #806E1C

analogous

#1C6080 #1C2E80 #3C1C80

triadic

#1C2E80 #801C2E #2E801C

tetradic

#1C2E80 #801C60 #806E1C #1C803C

square

#1C2E80 #801C60 #806E1C #1C803C

split-complementary

#1C2E80 #803C1C #60801C

monochromatic

#060A1C #111C4E #1C2E80 #2740B2 #415CD5

Accessibility & contrast

On white

11.99

#1C2E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C2E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2E80

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2E80	#FFFFFF	#000000	##FFFFFF
##1C2E80	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B83

Deuteranopia (green-blind)

#00327E

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2e80;
/* rgb */ color: rgb(28, 46, 128);
/* oklch */ color: oklch(34.4% 0.140 268.3);

Tailwind

colors: {
  custom: {
    50: '#6966a6',
    500: '#1c2e80',
    950: '#000000',
  },
}

SCSS

$custom: #1c2e80;
$custom-light: #6966a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2e80",
  "rgb": {
    "r": 28,
    "g": 46,
    "b": 128
  },
  "hsl": {
    "h": 229.2,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34433,
    "c": 0.13967,
    "h": 268.3
  },
  "luminance": 0.03759
}

Semantic roles & 50–950 ramp

primary

#1C2E80

secondary

#B39F44

accent

#C941E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C2E80

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

Preview Lab → · Contrast checker → · Palette generator →