#1D4980#1D4980

#1D4980 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.5% C 0.104 H 255.6°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D4980
RGB	rgb(29, 73, 128)
HSL	hsl(213, 63%, 31%)
HSV	hsv(213, 77%, 50%)
CMYK	cmyk(77.3%, 43%, 0%, 49.8%)
CIE-LAB	lab(30.84, 5.51, -35.40)
CIE-LCH	lch(30.84, 35.82, 278.84°)
OKLab	oklab(40.52% -0.026 -0.1012)
OKLCH	oklch(40.52% 0.104 255.6)
XYZ	xyz(6.7841, 6.5840, 21.3312)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4980 #80541D

analogous

#1D7A80 #1D4980 #221D80

triadic

#1D4980 #801D49 #49801D

tetradic

#1D4980 #801D7A #80541D #1D8022

square

#1D4980 #801D7A #80541D #1D8022

split-complementary

#1D4980 #80221D #7A801D

monochromatic

#06101C #122D4E #1D4980 #2865B2 #4384D4

Accessibility & contrast

On white

9.06

#1D4980 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1D4980 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4980

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4980	#FFFFFF	#000000	##FFFFFF
##1D4980	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4E82

Deuteranopia (green-blind)

#1E447F

Tritanopia (blue-blind)

#00565E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4980;
/* rgb */ color: rgb(29, 73, 128);
/* oklch */ color: oklch(40.5% 0.104 255.6);

Tailwind

colors: {
  custom: {
    50: '#687ba5',
    500: '#1d4980',
    950: '#000000',
  },
}

SCSS

$custom: #1d4980;
$custom-light: #687ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4980",
  "rgb": {
    "r": 29,
    "g": 73,
    "b": 128
  },
  "hsl": {
    "h": 213.333,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40515,
    "c": 0.10446,
    "h": 255.6
  },
  "luminance": 0.06585
}

Semantic roles & 50–950 ramp

primary

#1D4980

secondary

#B38245

accent

#9D42E6

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4980

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

Preview Lab → · Contrast checker → · Palette generator →