#1C5178#1C5178

#1C5178 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.0% C 0.085 H 244.4°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C5178
RGB	rgb(28, 81, 120)
HSL	hsl(205, 62%, 29%)
HSV	hsv(205, 77%, 47%)
CMYK	cmyk(76.7%, 32.5%, 0%, 52.9%)
CIE-LAB	lab(32.89, -3.06, -27.18)
CIE-LCH	lch(32.89, 27.35, 263.57°)
OKLab	oklab(41.96% -0.0369 -0.077)
OKLCH	oklch(41.96% 0.085 244.4)
XYZ	xyz(6.8102, 7.4870, 18.8519)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5178 #78431C

analogous

#1C7871 #1C5178 #1C2378

triadic

#1C5178 #781C51 #51781C

tetradic

#1C5178 #711C78 #78431C #23781C

square

#1C5178 #711C78 #78431C #23781C

split-complementary

#1C5178 #781C23 #78711C

monochromatic

#061119 #103046 #1C5178 #2872AA #3D93D2

Accessibility & contrast

On white

8.41

#1C5178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1C5178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5178

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5178	#FFFFFF	#000000	##FFFFFF
##1C5178	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F527A

Deuteranopia (green-blind)

#324977

Tritanopia (blue-blind)

#005A5F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c5178;
/* rgb */ color: rgb(28, 81, 120);
/* oklch */ color: oklch(42.0% 0.085 244.4);

Tailwind

colors: {
  custom: {
    50: '#66819f',
    500: '#1c5178',
    950: '#000000',
  },
}

SCSS

$custom: #1c5178;
$custom-light: #66819f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5178",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 120
  },
  "hsl": {
    "h": 205.435,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.41962,
    "c": 0.08538,
    "h": 244.4
  },
  "luminance": 0.07488
}

Semantic roles & 50–950 ramp

primary

#1C5178

secondary

#AC7044

accent

#8843E5

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C5178

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

Preview Lab → · Contrast checker → · Palette generator →