#1D4170#1D4170

#1D4170 is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.5% C 0.091 H 256.1°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D4170
RGB	rgb(29, 65, 112)
HSL	hsl(214, 59%, 28%)
HSV	hsv(214, 74%, 44%)
CMYK	cmyk(74.1%, 42%, 0%, 56.1%)
CIE-LAB	lab(27.33, 4.51, -30.95)
CIE-LCH	lch(27.33, 31.28, 278.29°)
OKLab	oklab(37.46% -0.0218 -0.0883)
OKLCH	oklch(37.46% 0.091 256.1)
XYZ	xyz(5.3206, 5.2111, 16.0515)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4170 #704C1D

analogous

#1D6A70 #1D4170 #231D70

triadic

#1D4170 #701D41 #41701D

tetradic

#1D4170 #701D6A #704C1D #1D7023

square

#1D4170 #701D6A #704C1D #1D7023

split-complementary

#1D4170 #70231D #6A701D

monochromatic

#060E18 #10253F #1D4170 #2A5DA1 #3B7ACC

Accessibility & contrast

On white

10.28

#1D4170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1D4170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4170

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4170	#FFFFFF	#000000	##FFFFFF
##1D4170	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4572

Deuteranopia (green-blind)

#1E3D6F

Tritanopia (blue-blind)

#004C53

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d4170;
/* rgb */ color: rgb(29, 65, 112);
/* oklch */ color: oklch(37.5% 0.091 256.1);

Tailwind

colors: {
  custom: {
    50: '#647599',
    500: '#1d4170',
    950: '#000000',
  },
}

SCSS

$custom: #1d4170;
$custom-light: #647599;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4170",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 112
  },
  "hsl": {
    "h": 213.976,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37462,
    "c": 0.09092,
    "h": 256.1
  },
  "luminance": 0.05212
}

Semantic roles & 50–950 ramp

primary

#1D4170

secondary

#A47B44

accent

#9E46E2

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4170

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

Preview Lab → · Contrast checker → · Palette generator →