#1C4E70#1C4E70

#1C4E70 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.7% C 0.078 H 242.1°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E70
RGB	rgb(28, 78, 112)
HSL	hsl(204, 60%, 27%)
HSV	hsv(204, 75%, 44%)
CMYK	cmyk(75%, 30.4%, 0%, 56.1%)
CIE-LAB	lab(31.50, -4.25, -24.37)
CIE-LCH	lch(31.50, 24.73, 260.11°)
OKLab	oklab(40.72% -0.0364 -0.0688)
OKLCH	oklch(40.72% 0.078 242.1)
XYZ	xyz(6.1268, 6.8648, 16.3282)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E70 #703E1C

analogous

#1C7068 #1C4E70 #1C2470

triadic

#1C4E70 #701C4E #4E701C

tetradic

#1C4E70 #681C70 #703E1C #24701C

square

#1C4E70 #681C70 #703E1C #24701C

split-complementary

#1C4E70 #701C24 #70681C

monochromatic

#061118 #102C3F #1C4E70 #2870A1 #3991CD

Accessibility & contrast

On white

8.85

#1C4E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1C4E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E70

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E70	#FFFFFF	#000000	##FFFFFF
##1C4E70	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F72

Deuteranopia (green-blind)

#33476F

Tritanopia (blue-blind)

#00565A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4e70;
/* rgb */ color: rgb(28, 78, 112);
/* oklch */ color: oklch(40.7% 0.078 242.1);

Tailwind

colors: {
  custom: {
    50: '#647f99',
    500: '#1c4e70',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e70;
$custom-light: #647f99;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e70",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 112
  },
  "hsl": {
    "h": 204.286,
    "s": 60,
    "l": 27.451
  },
  "oklch": {
    "l": 0.40724,
    "c": 0.0779,
    "h": 242.1
  },
  "luminance": 0.06866
}

Semantic roles & 50–950 ramp

primary

#1C4E70

secondary

#A56B43

accent

#8545E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C4E70

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

Preview Lab → · Contrast checker → · Palette generator →