#1D4883#1D4883

#1D4883 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.5% C 0.110 H 257.2°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D4883
RGB	rgb(29, 72, 131)
HSL	hsl(215, 64%, 31%)
HSV	hsv(215, 78%, 51%)
CMYK	cmyk(77.9%, 45%, 0%, 48.6%)
CIE-LAB	lab(30.72, 7.39, -37.45)
CIE-LCH	lch(30.72, 38.17, 281.16°)
OKLab	oklab(40.48% -0.0244 -0.1072)
OKLCH	oklch(40.48% 0.11 257.2)
XYZ	xyz(6.9193, 6.5338, 22.3648)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4883 #83581D

analogous

#1D7B83 #1D4883 #251D83

triadic

#1D4883 #831D48 #48831D

tetradic

#1D4883 #831D7B #83581D #1D8325

square

#1D4883 #831D7B #83581D #1D8325

split-complementary

#1D4883 #83251D #7B831D

monochromatic

#07111F #122C51 #1D4883 #2864B5 #4582D6

Accessibility & contrast

On white

9.10

#1D4883 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1D4883 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4883

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4883	#FFFFFF	#000000	##FFFFFF
##1D4883	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4D85

Deuteranopia (green-blind)

#174482

Tritanopia (blue-blind)

#00565F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4883;
/* rgb */ color: rgb(29, 72, 131);
/* oklch */ color: oklch(40.5% 0.110 257.2);

Tailwind

colors: {
  custom: {
    50: '#697aa7',
    500: '#1d4883',
    950: '#000000',
  },
}

SCSS

$custom: #1d4883;
$custom-light: #697aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4883",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 131
  },
  "hsl": {
    "h": 214.706,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40484,
    "c": 0.10996,
    "h": 257.2
  },
  "luminance": 0.06535
}

Semantic roles & 50–950 ramp

primary

#1D4883

secondary

#B68746

accent

#A141E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4883

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

Preview Lab → · Contrast checker → · Palette generator →