#1C4F87#1C4F87

#1C4F87 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.4% C 0.108 H 253.5°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F87
RGB	rgb(28, 79, 135)
HSL	hsl(211, 66%, 32%)
HSV	hsv(211, 79%, 53%)
CMYK	cmyk(79.3%, 41.5%, 0%, 47.1%)
CIE-LAB	lab(33.11, 4.17, -36.11)
CIE-LCH	lch(33.11, 36.35, 276.59°)
OKLab	oklab(42.41% -0.0306 -0.1032)
OKLCH	oklch(42.41% 0.108 253.5)
XYZ	xyz(7.6464, 7.5872, 23.9785)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F87 #87541C

analogous

#1C8587 #1C4F87 #1F1C87

triadic

#1C4F87 #871C4F #4F871C

tetradic

#1C4F87 #871C85 #87541C #1C871F

square

#1C4F87 #871C85 #87541C #1C871F

split-complementary

#1C4F87 #871F1C #85871C

monochromatic

#071422 #113154 #1C4F87 #276DBA #458BD8

Accessibility & contrast

On white

8.34

#1C4F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1C4F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F87

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F87	#FFFFFF	#000000	##FFFFFF
##1C4F87	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345389

Deuteranopia (green-blind)

#224986

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4f87;
/* rgb */ color: rgb(28, 79, 135);
/* oklch */ color: oklch(42.4% 0.108 253.5);

Tailwind

colors: {
  custom: {
    50: '#697faa',
    500: '#1c4f87',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f87;
$custom-light: #697faa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f87",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 135
  },
  "hsl": {
    "h": 211.402,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.4241,
    "c": 0.10761,
    "h": 253.5
  },
  "luminance": 0.07588
}

Semantic roles & 50–950 ramp

primary

#1C4F87

secondary

#BA8245

accent

#983FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C4F87

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

Preview Lab → · Contrast checker → · Palette generator →