#1C4E7F#1C4E7F

#1C4E7F is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.098 H 251.0°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E7F
RGB	rgb(28, 78, 127)
HSL	hsl(210, 64%, 30%)
HSV	hsv(210, 78%, 50%)
CMYK	cmyk(78%, 38.6%, 0%, 50.2%)
CIE-LAB	lab(32.32, 1.64, -32.43)
CIE-LCH	lch(32.32, 32.47, 272.89°)
OKLab	oklab(41.64% -0.0317 -0.0924)
OKLCH	oklch(41.64% 0.098 251)
XYZ	xyz(7.0326, 7.2272, 21.0989)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E7F #7F4D1C

analogous

#1C7F7E #1C4E7F #1C1C7F

triadic

#1C4E7F #7F1C4E #4E7F1C

tetradic

#1C4E7F #7E1C7F #7F4D1C #1C7F1C

square

#1C4E7F #7E1C7F #7F4D1C #1C7F1C

split-complementary

#1C4E7F #7F1C1C #7F7E1C

monochromatic

#06101B #112F4D #1C4E7F #276DB1 #408BD5

Accessibility & contrast

On white

8.59

#1C4E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1C4E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E7F

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E7F	#FFFFFF	#000000	##FFFFFF
##1C4E7F	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375181

Deuteranopia (green-blind)

#28487E

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c4e7f;
/* rgb */ color: rgb(28, 78, 127);
/* oklch */ color: oklch(41.6% 0.098 251.0);

Tailwind

colors: {
  custom: {
    50: '#677fa4',
    500: '#1c4e7f',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e7f;
$custom-light: #677fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e7f",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 127
  },
  "hsl": {
    "h": 209.697,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41639,
    "c": 0.09768,
    "h": 251
  },
  "luminance": 0.07228
}

Semantic roles & 50–950 ramp

primary

#1C4E7F

secondary

#B37B44

accent

#9341E7

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1C4E7F

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

Preview Lab → · Contrast checker → · Palette generator →