#1D4881#1D4881

#1D4881 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.107 H 256.6°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D4881
RGB	rgb(29, 72, 129)
HSL	hsl(214, 63%, 31%)
HSV	hsv(214, 78%, 51%)
CMYK	cmyk(77.5%, 44.2%, 0%, 49.4%)
CIE-LAB	lab(30.59, 6.58, -36.41)
CIE-LCH	lch(30.59, 37.01, 280.25°)
OKLab	oklab(40.34% -0.0248 -0.1042)
OKLCH	oklch(40.34% 0.107 256.6)
XYZ	xyz(6.7850, 6.4802, 21.6578)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4881 #81561D

analogous

#1D7A81 #1D4881 #241D81

triadic

#1D4881 #811D48 #48811D

tetradic

#1D4881 #811D7A #81561D #1D8124

square

#1D4881 #811D7A #81561D #1D8124

split-complementary

#1D4881 #81241D #7A811D

monochromatic

#07101D #122C4F #1D4881 #2864B3 #4482D5

Accessibility & contrast

On white

9.15

#1D4881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1D4881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4881

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4881	#FFFFFF	#000000	##FFFFFF
##1D4881	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4D83

Deuteranopia (green-blind)

#1A4480

Tritanopia (blue-blind)

#00555E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4881;
/* rgb */ color: rgb(29, 72, 129);
/* oklch */ color: oklch(40.3% 0.107 256.6);

Tailwind

colors: {
  custom: {
    50: '#687aa6',
    500: '#1d4881',
    950: '#000000',
  },
}

SCSS

$custom: #1d4881;
$custom-light: #687aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4881",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 129
  },
  "hsl": {
    "h": 214.2,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40343,
    "c": 0.10709,
    "h": 256.6
  },
  "luminance": 0.06481
}

Semantic roles & 50–950 ramp

primary

#1D4881

secondary

#B48546

accent

#9F41E6

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4881

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

Preview Lab → · Contrast checker → · Palette generator →