#1C4382#1C4382

#1C4382 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.2% C 0.115 H 259.6°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#1C4382
RGB	rgb(28, 67, 130)
HSL	hsl(217, 65%, 31%)
HSV	hsv(217, 78%, 51%)
CMYK	cmyk(78.5%, 48.5%, 0%, 49%)
CIE-LAB	lab(29.09, 10.27, -39.45)
CIE-LCH	lch(29.09, 40.77, 284.59°)
OKLab	oklab(39.19% -0.0207 -0.1132)
OKLCH	oklch(39.19% 0.115 259.6)
XYZ	xyz(6.5138, 5.8722, 21.9049)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4382 #825B1C

analogous

#1C7682 #1C4382 #281C82

triadic

#1C4382 #821C43 #43821C

tetradic

#1C4382 #821C76 #825B1C #1C8228

square

#1C4382 #821C76 #825B1C #1C8228

split-complementary

#1C4382 #82281C #76821C

monochromatic

#060F1D #112950 #1C4382 #275DB4 #427BD6

Accessibility & contrast

On white

9.66

#1C4382 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1C4382 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4382

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4382	#FFFFFF	#000000	##FFFFFF
##1C4382	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214A84

Deuteranopia (green-blind)

#064081

Tritanopia (blue-blind)

#00525C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c4382;
/* rgb */ color: rgb(28, 67, 130);
/* oklch */ color: oklch(39.2% 0.115 259.6);

Tailwind

colors: {
  custom: {
    50: '#6876a7',
    500: '#1c4382',
    950: '#000000',
  },
}

SCSS

$custom: #1c4382;
$custom-light: #6876a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4382",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 130
  },
  "hsl": {
    "h": 217.059,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39192,
    "c": 0.11511,
    "h": 259.6
  },
  "luminance": 0.05873
}

Semantic roles & 50–950 ramp

primary

#1C4382

secondary

#B58A44

accent

#A840E8

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C4382

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

Preview Lab → · Contrast checker → · Palette generator →