#1D6583#1D6583

#1D6583 is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.7% C 0.084 H 230.4°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#1D6583
RGB	rgb(29, 101, 131)
HSL	hsl(198, 64%, 31%)
HSV	hsv(198, 78%, 51%)
CMYK	cmyk(77.9%, 22.9%, 0%, 48.6%)
CIE-LAB	lab(39.93, -11.03, -22.93)
CIE-LCH	lch(39.93, 25.45, 244.32°)
OKLab	oklab(47.74% -0.0533 -0.0645)
OKLCH	oklch(47.74% 0.084 230.4)
XYZ	xyz(9.2554, 11.2062, 23.1435)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D6583 #833B1D

analogous

#1D836E #1D6583 #1D3283

triadic

#1D6583 #831D65 #65831D

tetradic

#1D6583 #6E1D83 #833B1D #32831D

square

#1D6583 #6E1D83 #833B1D #32831D

split-complementary

#1D6583 #831D32 #836E1D

monochromatic

#07181F #123E51 #1D6583 #288CB5 #45ABD6

Accessibility & contrast

On white

6.48

#1D6583 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#1D6583 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D6583

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D6583	#FFFFFF	#000000	##FFFFFF
##1D6583	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566484

Deuteranopia (green-blind)

#485A83

Tritanopia (blue-blind)

#006D6F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1d6583;
/* rgb */ color: rgb(29, 101, 131);
/* oklch */ color: oklch(47.7% 0.084 230.4);

Tailwind

colors: {
  custom: {
    50: '#6990a7',
    500: '#1d6583',
    950: '#000000',
  },
}

SCSS

$custom: #1d6583;
$custom-light: #6990a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d6583",
  "rgb": {
    "r": 29,
    "g": 101,
    "b": 131
  },
  "hsl": {
    "h": 197.647,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.47735,
    "c": 0.08364,
    "h": 230.4
  },
  "luminance": 0.11207
}

Semantic roles & 50–950 ramp

primary

#1D6583

secondary

#B66746

accent

#7241E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1D6583

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

Preview Lab → · Contrast checker → · Palette generator →