#1C4D84#1C4D84

#1C4D84 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.7% C 0.106 H 253.8°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D84
RGB	rgb(28, 77, 132)
HSL	hsl(212, 65%, 31%)
HSV	hsv(212, 79%, 52%)
CMYK	cmyk(78.8%, 41.7%, 0%, 48.2%)
CIE-LAB	lab(32.30, 4.30, -35.55)
CIE-LCH	lch(32.30, 35.80, 276.90°)
OKLab	oklab(41.72% -0.0295 -0.1015)
OKLCH	oklch(41.72% 0.106 253.8)
XYZ	xyz(7.2961, 7.2197, 22.8343)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D84 #84531C

analogous

#1C8184 #1C4D84 #1F1C84

triadic

#1C4D84 #841C4D #4D841C

tetradic

#1C4D84 #841C81 #84531C #1C841F

square

#1C4D84 #841C81 #84531C #1C841F

split-complementary

#1C4D84 #841F1C #81841C

monochromatic

#07121F #113052 #1C4D84 #276AB6 #4389D7

Accessibility & contrast

On white

8.59

#1C4D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1C4D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D84

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D84	#FFFFFF	#000000	##FFFFFF
##1C4D84	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335186

Deuteranopia (green-blind)

#214883

Tritanopia (blue-blind)

#005A62

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c4d84;
/* rgb */ color: rgb(28, 77, 132);
/* oklch */ color: oklch(41.7% 0.106 253.8);

Tailwind

colors: {
  custom: {
    50: '#687ea8',
    500: '#1c4d84',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d84;
$custom-light: #687ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d84",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 132
  },
  "hsl": {
    "h": 211.731,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.41723,
    "c": 0.10574,
    "h": 253.8
  },
  "luminance": 0.07221
}

Semantic roles & 50–950 ramp

primary

#1C4D84

secondary

#B78145

accent

#9940E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1C4D84

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

Preview Lab → · Contrast checker → · Palette generator →