#1C7590#1C7590

#1C7590 is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.5% C 0.089 H 223.4°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#1C7590
RGB	rgb(28, 117, 144)
HSL	hsl(194, 67%, 34%)
HSV	hsv(194, 81%, 56%)
CMYK	cmyk(80.6%, 18.8%, 0%, 43.5%)
CIE-LAB	lab(45.61, -15.62, -21.93)
CIE-LCH	lch(45.61, 26.92, 234.55°)
OKLab	oklab(52.47% -0.0649 -0.0615)
OKLCH	oklch(52.47% 0.089 223.4)
XYZ	xyz(11.8721, 14.9816, 28.6462)
Luminance	0.1498 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C7590 #90371C

analogous

#1C9071 #1C7590 #1C3B90

triadic

#1C7590 #901C75 #75901C

tetradic

#1C7590 #711C90 #90371C #3B901C

square

#1C7590 #711C90 #90371C #3B901C

split-complementary

#1C7590 #901C3B #90711C

monochromatic

#08222A #124B5D #1C7590 #269FC3 #4ABADC

Accessibility & contrast

On white

5.25

#1C7590 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#1C7590 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C7590

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C7590	#FFFFFF	#000000	##FFFFFF
##1C7590	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667291

Deuteranopia (green-blind)

#566790

Tritanopia (blue-blind)

#007D7E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1c7590;
/* rgb */ color: rgb(28, 117, 144);
/* oklch */ color: oklch(52.5% 0.089 223.4);

Tailwind

colors: {
  custom: {
    50: '#6d9db0',
    500: '#1c7590',
    950: '#000000',
  },
}

SCSS

$custom: #1c7590;
$custom-light: #6d9db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c7590",
  "rgb": {
    "r": 28,
    "g": 117,
    "b": 144
  },
  "hsl": {
    "h": 193.966,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.52465,
    "c": 0.08943,
    "h": 223.4
  },
  "luminance": 0.14983
}

Semantic roles & 50–950 ramp

primary

#1C7590

secondary

#BE654A

accent

#663DEA

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1C7590

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

Preview Lab → · Contrast checker → · Palette generator →