#1C4E85#1C4E85

#1C4E85 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.0% C 0.106 H 253.5°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E85
RGB	rgb(28, 78, 133)
HSL	hsl(211, 65%, 32%)
HSV	hsv(211, 79%, 52%)
CMYK	cmyk(78.9%, 41.4%, 0%, 47.8%)
CIE-LAB	lab(32.67, 4.04, -35.57)
CIE-LCH	lch(32.67, 35.80, 276.47°)
OKLab	oklab(42.03% -0.0302 -0.1016)
OKLCH	oklch(42.03% 0.106 253.5)
XYZ	xyz(7.4353, 7.3882, 23.2200)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E85 #85531C

analogous

#1C8385 #1C4E85 #1F1C85

triadic

#1C4E85 #851C4E #4E851C

tetradic

#1C4E85 #851C83 #85531C #1C851F

square

#1C4E85 #851C83 #85531C #1C851F

split-complementary

#1C4E85 #851F1C #83851C

monochromatic

#071320 #113052 #1C4E85 #276CB8 #448AD8

Accessibility & contrast

On white

8.48

#1C4E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1C4E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E85

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E85	#FFFFFF	#000000	##FFFFFF
##1C4E85	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345287

Deuteranopia (green-blind)

#224884

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c4e85;
/* rgb */ color: rgb(28, 78, 133);
/* oklch */ color: oklch(42.0% 0.106 253.5);

Tailwind

colors: {
  custom: {
    50: '#697fa9',
    500: '#1c4e85',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e85;
$custom-light: #697fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e85",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 133
  },
  "hsl": {
    "h": 211.429,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42033,
    "c": 0.10598,
    "h": 253.5
  },
  "luminance": 0.07389
}

Semantic roles & 50–950 ramp

primary

#1C4E85

secondary

#B88145

accent

#9840E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C4E85

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

Preview Lab → · Contrast checker → · Palette generator →