#1C4F82#1C4F82

#1C4F82 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.101 H 251.5°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F82
RGB	rgb(28, 79, 130)
HSL	hsl(210, 65%, 31%)
HSV	hsv(210, 78%, 51%)
CMYK	cmyk(78.5%, 39.2%, 0%, 49%)
CIE-LAB	lab(32.81, 2.17, -33.50)
CIE-LCH	lch(32.81, 33.57, 273.71°)
OKLab	oklab(42.08% -0.0319 -0.0955)
OKLCH	oklch(42.08% 0.101 251.5)
XYZ	xyz(7.3026, 7.4497, 22.1678)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F82 #824F1C

analogous

#1C8282 #1C4F82 #1C1C82

triadic

#1C4F82 #821C4F #4F821C

tetradic

#1C4F82 #821C82 #824F1C #1C821C

square

#1C4F82 #821C82 #824F1C #1C821C

split-complementary

#1C4F82 #821C1C #82821C

monochromatic

#06121D #113050 #1C4F82 #276EB4 #428CD6

Accessibility & contrast

On white

8.43

#1C4F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1C4F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F82

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F82	#FFFFFF	#000000	##FFFFFF
##1C4F82	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375284

Deuteranopia (green-blind)

#274981

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c4f82;
/* rgb */ color: rgb(28, 79, 130);
/* oklch */ color: oklch(42.1% 0.101 251.5);

Tailwind

colors: {
  custom: {
    50: '#687fa6',
    500: '#1c4f82',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f82;
$custom-light: #687fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f82",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 130
  },
  "hsl": {
    "h": 210,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4208,
    "c": 0.10071,
    "h": 251.5
  },
  "luminance": 0.07451
}

Semantic roles & 50–950 ramp

primary

#1C4F82

secondary

#B57D44

accent

#9440E8

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1C4F82

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

Preview Lab → · Contrast checker → · Palette generator →