#1C5378#1C5378

#1C5378 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.5% C 0.084 H 242.2°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#1C5378
RGB	rgb(28, 83, 120)
HSL	hsl(204, 62%, 29%)
HSV	hsv(204, 77%, 47%)
CMYK	cmyk(76.7%, 30.8%, 0%, 52.9%)
CIE-LAB	lab(33.54, -4.34, -26.16)
CIE-LCH	lch(33.54, 26.52, 260.59°)
OKLab	oklab(42.47% -0.039 -0.074)
OKLCH	oklch(42.47% 0.084 242.2)
XYZ	xyz(6.9610, 7.7887, 18.9022)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5378 #78411C

analogous

#1C786F #1C5378 #1C2578

triadic

#1C5378 #781C53 #53781C

tetradic

#1C5378 #6F1C78 #78411C #25781C

square

#1C5378 #6F1C78 #78411C #25781C

split-complementary

#1C5378 #781C25 #786F1C

monochromatic

#061119 #103146 #1C5378 #2875AA #3D96D2

Accessibility & contrast

On white

8.21

#1C5378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1C5378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5378

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5378	#FFFFFF	#000000	##FFFFFF
##1C5378	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42547A

Deuteranopia (green-blind)

#354B77

Tritanopia (blue-blind)

#005C60

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c5378;
/* rgb */ color: rgb(28, 83, 120);
/* oklch */ color: oklch(42.5% 0.084 242.2);

Tailwind

colors: {
  custom: {
    50: '#66839f',
    500: '#1c5378',
    950: '#000000',
  },
}

SCSS

$custom: #1c5378;
$custom-light: #66839f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5378",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 120
  },
  "hsl": {
    "h": 204.13,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42474,
    "c": 0.08365,
    "h": 242.2
  },
  "luminance": 0.07789
}

Semantic roles & 50–950 ramp

primary

#1C5378

secondary

#AC6E44

accent

#8443E5

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C5378

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

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