#1C4E8D#1C4E8D

#1C4E8D is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.6% C 0.117 H 256.0°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E8D
RGB	rgb(28, 78, 141)
HSL	hsl(213, 67%, 33%)
HSV	hsv(213, 80%, 55%)
CMYK	cmyk(80.1%, 44.7%, 0%, 44.7%)
CIE-LAB	lab(33.17, 7.25, -39.68)
CIE-LCH	lch(33.17, 40.34, 280.35°)
OKLab	oklab(42.58% -0.0283 -0.1137)
OKLCH	oklch(42.58% 0.117 256)
XYZ	xyz(8.0092, 7.6178, 26.2424)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E8D #8D5B1C

analogous

#1C868D #1C4E8D #221C8D

triadic

#1C4E8D #8D1C4E #4E8D1C

tetradic

#1C4E8D #8D1C86 #8D5B1C #1C8D22

square

#1C4E8D #8D1C86 #8D5B1C #1C8D22

split-complementary

#1C4E8D #8D221C #868D1C

monochromatic

#081627 #12325A #1C4E8D #266AC0 #4989DB

Accessibility & contrast

On white

8.32

#1C4E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1C4E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E8D

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E8D	#FFFFFF	#000000	##FFFFFF
##1C4E8D	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E548F

Deuteranopia (green-blind)

#18498C

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4e8d;
/* rgb */ color: rgb(28, 78, 141);
/* oklch */ color: oklch(42.6% 0.117 256.0);

Tailwind

colors: {
  custom: {
    50: '#6b7faf',
    500: '#1c4e8d',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e8d;
$custom-light: #6b7faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e8d",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 141
  },
  "hsl": {
    "h": 213.451,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42583,
    "c": 0.11716,
    "h": 256
  },
  "luminance": 0.07619
}

Semantic roles & 50–950 ramp

primary

#1C4E8D

secondary

#BD8948

accent

#9E3EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1C4E8D

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

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