#1C5899#1C5899

#1C5899 is a mid, vivid cyan. Relative luminance 0.095; OKLCH L 45.8% C 0.122 H 253.6°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C5899
RGB	rgb(28, 88, 153)
HSL	hsl(211, 69%, 35%)
HSV	hsv(211, 82%, 60%)
CMYK	cmyk(81.7%, 42.5%, 0%, 40%)
CIE-LAB	lab(36.98, 5.44, -40.88)
CIE-LCH	lch(36.98, 41.24, 277.58°)
OKLab	oklab(45.78% -0.0344 -0.117)
OKLCH	oklch(45.78% 0.122 253.6)
XYZ	xyz(9.7162, 9.5251, 31.4572)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5899 #995D1C

analogous

#1C9699 #1C5899 #1E1C99

triadic

#1C5899 #991C58 #58991C

tetradic

#1C5899 #991C96 #995D1C #1C991E

square

#1C5899 #991C96 #995D1C #1C991E

split-complementary

#1C5899 #991E1C #96991C

monochromatic

#091C32 #133A65 #1C5899 #2576CD #5095DF

Accessibility & contrast

On white

7.23

#1C5899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1C5899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5899

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5899	#FFFFFF	#000000	##FFFFFF
##1C5899	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385D9C

Deuteranopia (green-blind)

#225298

Tritanopia (blue-blind)

#006771

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c5899;
/* rgb */ color: rgb(28, 88, 153);
/* oklch */ color: oklch(45.8% 0.122 253.6);

Tailwind

colors: {
  custom: {
    50: '#6d86b7',
    500: '#1c5899',
    950: '#000000',
  },
}

SCSS

$custom: #1c5899;
$custom-light: #6d86b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5899",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 153
  },
  "hsl": {
    "h": 211.2,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4578,
    "c": 0.12195,
    "h": 253.6
  },
  "luminance": 0.09526
}

Semantic roles & 50–950 ramp

primary

#1C5899

secondary

#C28B4F

accent

#973CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1C5899

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

Preview Lab → · Contrast checker → · Palette generator →