#1D5380#1D5380

#1D5380 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.093 H 247.5°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D5380
RGB	rgb(29, 83, 128)
HSL	hsl(207, 63%, 31%)
HSV	hsv(207, 77%, 50%)
CMYK	cmyk(77.3%, 35.2%, 0%, 49.8%)
CIE-LAB	lab(33.99, -1.08, -30.39)
CIE-LCH	lch(33.99, 30.41, 267.96°)
OKLab	oklab(42.98% -0.0358 -0.0863)
OKLCH	oklch(42.98% 0.093 247.5)
XYZ	xyz(7.4947, 8.0054, 21.5681)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5380 #804A1D

analogous

#1D807B #1D5380 #1D2180

triadic

#1D5380 #801D53 #53801D

tetradic

#1D5380 #7B1D80 #804A1D #21801D

square

#1D5380 #7B1D80 #804A1D #21801D

split-complementary

#1D5380 #801D21 #807B1D

monochromatic

#06121C #12334E #1D5380 #2873B2 #4392D4

Accessibility & contrast

On white

8.07

#1D5380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1D5380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5380

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5380	#FFFFFF	#000000	##FFFFFF
##1D5380	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5582

Deuteranopia (green-blind)

#304C7F

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d5380;
/* rgb */ color: rgb(29, 83, 128);
/* oklch */ color: oklch(43.0% 0.093 247.5);

Tailwind

colors: {
  custom: {
    50: '#6883a5',
    500: '#1d5380',
    950: '#000000',
  },
}

SCSS

$custom: #1d5380;
$custom-light: #6883a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5380",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 128
  },
  "hsl": {
    "h": 207.273,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42981,
    "c": 0.09347,
    "h": 247.5
  },
  "luminance": 0.08006
}

Semantic roles & 50–950 ramp

primary

#1D5380

secondary

#B37745

accent

#8C42E6

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D5380

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

Preview Lab → · Contrast checker → · Palette generator →