#1C5690#1C5690

#1C5690 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.7% C 0.112 H 251.9°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#1C5690
RGB	rgb(28, 86, 144)
HSL	hsl(210, 67%, 34%)
HSV	hsv(210, 81%, 56%)
CMYK	cmyk(80.6%, 40.3%, 0%, 43.5%)
CIE-LAB	lab(35.82, 3.17, -37.28)
CIE-LCH	lch(35.82, 37.42, 274.85°)
OKLab	oklab(44.7% -0.0348 -0.1065)
OKLCH	oklch(44.7% 0.112 251.9)
XYZ	xyz(8.8388, 8.9150, 27.6351)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5690 #90561C

analogous

#1C9090 #1C5690 #1C1C90

triadic

#1C5690 #901C56 #56901C

tetradic

#1C5690 #901C90 #90561C #1C901C

square

#1C5690 #901C90 #90561C #1C901C

split-complementary

#1C5690 #901C1C #90901C

monochromatic

#08192A #12375D #1C5690 #2675C3 #4A93DC

Accessibility & contrast

On white

7.55

#1C5690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#1C5690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5690

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5690	#FFFFFF	#000000	##FFFFFF
##1C5690	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5A92

Deuteranopia (green-blind)

#284F8F

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1c5690;
/* rgb */ color: rgb(28, 86, 144);
/* oklch */ color: oklch(44.7% 0.112 251.9);

Tailwind

colors: {
  custom: {
    50: '#6b85b1',
    500: '#1c5690',
    950: '#000000',
  },
}

SCSS

$custom: #1c5690;
$custom-light: #6b85b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5690",
  "rgb": {
    "r": 28,
    "g": 86,
    "b": 144
  },
  "hsl": {
    "h": 210,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.44703,
    "c": 0.11203,
    "h": 251.9
  },
  "luminance": 0.08916
}

Semantic roles & 50–950 ramp

primary

#1C5690

secondary

#BE844A

accent

#943DEA

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1C5690

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

Preview Lab → · Contrast checker → · Palette generator →