#1C5D83#1C5D83

#1C5D83 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.7% C 0.089 H 239.2°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#1C5D83
RGB	rgb(28, 93, 131)
HSL	hsl(202, 65%, 31%)
HSV	hsv(202, 79%, 51%)
CMYK	cmyk(78.6%, 29%, 0%, 48.6%)
CIE-LAB	lab(37.32, -6.35, -27.00)
CIE-LCH	lch(37.32, 27.73, 256.77°)
OKLab	oklab(45.66% -0.0455 -0.0763)
OKLCH	oklch(45.66% 0.089 239.2)
XYZ	xyz(8.4884, 9.7133, 22.8958)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5D83 #83421C

analogous

#1C8375 #1C5D83 #1C2983

triadic

#1C5D83 #831C5D #5D831C

tetradic

#1C5D83 #751C83 #83421C #29831C

square

#1C5D83 #751C83 #83421C #29831C

split-complementary

#1C5D83 #831C29 #83751C

monochromatic

#06151E #113951 #1C5D83 #2781B5 #43A0D7

Accessibility & contrast

On white

7.14

#1C5D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#1C5D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5D83

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5D83	#FFFFFF	#000000	##FFFFFF
##1C5D83	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5D85

Deuteranopia (green-blind)

#3D5482

Tritanopia (blue-blind)

#00676A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1c5d83;
/* rgb */ color: rgb(28, 93, 131);
/* oklch */ color: oklch(45.7% 0.089 239.2);

Tailwind

colors: {
  custom: {
    50: '#698aa7',
    500: '#1c5d83',
    950: '#000000',
  },
}

SCSS

$custom: #1c5d83;
$custom-light: #698aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5d83",
  "rgb": {
    "r": 28,
    "g": 93,
    "b": 131
  },
  "hsl": {
    "h": 202.136,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.45655,
    "c": 0.08887,
    "h": 239.2
  },
  "luminance": 0.09714
}

Semantic roles & 50–950 ramp

primary

#1C5D83

secondary

#B66E45

accent

#7E40E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1C5D83

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

Preview Lab → · Contrast checker → · Palette generator →