#1C3B60#1C3B60

#1C3B60 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.075 H 254.2°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C3B60
RGB	rgb(28, 59, 96)
HSL	hsl(213, 55%, 24%)
HSV	hsv(213, 71%, 38%)
CMYK	cmyk(70.8%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(24.38, 2.05, -25.35)
CIE-LCH	lch(24.38, 25.43, 274.63°)
OKLab	oklab(34.84% -0.0204 -0.072)
OKLCH	oklch(34.84% 0.075 254.2)
XYZ	xyz(4.1534, 4.2189, 11.6595)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3B60 #60411C

analogous

#1C5D60 #1C3B60 #1F1C60

triadic

#1C3B60 #601C3B #3B601C

tetradic

#1C3B60 #601C5D #60411C #1C601F

square

#1C3B60 #601C5D #60411C #1C601F

split-complementary

#1C3B60 #601F1C #5D601C

monochromatic

#070F18 #0E1E31 #1C3B60 #2A588F #3875BF

Accessibility & contrast

On white

11.39

#1C3B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1C3B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3B60

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3B60	#FFFFFF	#000000	##FFFFFF
##1C3B60	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3D62

Deuteranopia (green-blind)

#21375F

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c3b60;
/* rgb */ color: rgb(28, 59, 96);
/* oklch */ color: oklch(34.8% 0.075 254.2);

Tailwind

colors: {
  custom: {
    50: '#61708d',
    500: '#1c3b60',
    950: '#000000',
  },
}

SCSS

$custom: #1c3b60;
$custom-light: #61708d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3b60",
  "rgb": {
    "r": 28,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 212.647,
    "s": 54.839,
    "l": 24.314
  },
  "oklch": {
    "l": 0.3484,
    "c": 0.0748,
    "h": 254.2
  },
  "luminance": 0.04219
}

Semantic roles & 50–950 ramp

primary

#1C3B60

secondary

#957042

accent

#9A4ADE

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05070C

muted

#7A7A7D

Preview Lab

Preview with #1C3B60

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

Preview Lab → · Contrast checker → · Palette generator →