#1C5991#1C5991

#1C5991 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.5% C 0.110 H 250.2°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C5991
RGB	rgb(28, 89, 145)
HSL	hsl(209, 68%, 34%)
HSV	hsv(209, 81%, 57%)
CMYK	cmyk(80.7%, 38.6%, 0%, 43.1%)
CIE-LAB	lab(36.81, 1.62, -36.32)
CIE-LCH	lch(36.81, 36.35, 272.55°)
OKLab	oklab(45.5% -0.0373 -0.1036)
OKLCH	oklch(45.5% 0.11 250.2)
XYZ	xyz(9.1602, 9.4349, 28.1209)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5991 #91541C

analogous

#1C918F #1C5991 #1C1F91

triadic

#1C5991 #911C59 #59911C

tetradic

#1C5991 #8F1C91 #91541C #1F911C

square

#1C5991 #8F1C91 #91541C #1F911C

split-complementary

#1C5991 #911C1F #918F1C

monochromatic

#081A2A #123A5E #1C5991 #2678C4 #4B97DC

Accessibility & contrast

On white

7.27

#1C5991 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1C5991 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5991

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5991	#FFFFFF	#000000	##FFFFFF
##1C5991	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5C93

Deuteranopia (green-blind)

#2C5290

Tritanopia (blue-blind)

#00666E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c5991;
/* rgb */ color: rgb(28, 89, 145);
/* oklch */ color: oklch(45.5% 0.110 250.2);

Tailwind

colors: {
  custom: {
    50: '#6b87b1',
    500: '#1c5991',
    950: '#000000',
  },
}

SCSS

$custom: #1c5991;
$custom-light: #6b87b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5991",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 145
  },
  "hsl": {
    "h": 208.718,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45495,
    "c": 0.11011,
    "h": 250.2
  },
  "luminance": 0.09436
}

Semantic roles & 50–950 ramp

primary

#1C5991

secondary

#BE824A

accent

#903DEB

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080B11

muted

#7A7C80

Preview Lab

Preview with #1C5991

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

Preview Lab → · Contrast checker → · Palette generator →