#1C4D74#1C4D74

#1C4D74 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.7% C 0.084 H 246.1°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D74
RGB	rgb(28, 77, 116)
HSL	hsl(207, 61%, 28%)
HSV	hsv(207, 76%, 45%)
CMYK	cmyk(75.9%, 33.6%, 0%, 54.5%)
CIE-LAB	lab(31.38, -2.05, -27.06)
CIE-LCH	lch(31.38, 27.13, 265.66°)
OKLab	oklab(40.7% -0.034 -0.0767)
OKLCH	oklch(40.7% 0.084 246.1)
XYZ	xyz(6.2839, 6.8149, 17.5038)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D74 #74431C

analogous

#1C746F #1C4D74 #1C2174

triadic

#1C4D74 #741C4D #4D741C

tetradic

#1C4D74 #6F1C74 #74431C #21741C

square

#1C4D74 #6F1C74 #74431C #21741C

split-complementary

#1C4D74 #741C21 #746F1C

monochromatic

#061019 #102C43 #1C4D74 #286EA5 #3B8ED0

Accessibility & contrast

On white

8.89

#1C4D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1C4D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D74

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D74	#FFFFFF	#000000	##FFFFFF
##1C4D74	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4E76

Deuteranopia (green-blind)

#2F4673

Tritanopia (blue-blind)

#00565B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4d74;
/* rgb */ color: rgb(28, 77, 116);
/* oklch */ color: oklch(40.7% 0.084 246.1);

Tailwind

colors: {
  custom: {
    50: '#657e9c',
    500: '#1c4d74',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d74;
$custom-light: #657e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d74",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 116
  },
  "hsl": {
    "h": 206.591,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40702,
    "c": 0.0839,
    "h": 246.1
  },
  "luminance": 0.06816
}

Semantic roles & 50–950 ramp

primary

#1C4D74

secondary

#A87043

accent

#8B44E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1C4D74

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

Preview Lab → · Contrast checker → · Palette generator →