#1D5191#1D5191

#1D5191 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.6% C 0.119 H 255.6°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D5191
RGB	rgb(29, 81, 145)
HSL	hsl(213, 67%, 34%)
HSV	hsv(213, 80%, 57%)
CMYK	cmyk(80%, 44.1%, 0%, 43.1%)
CIE-LAB	lab(34.37, 6.97, -40.20)
CIE-LCH	lch(34.37, 40.80, 279.84°)
OKLab	oklab(43.61% -0.0295 -0.1151)
OKLCH	oklch(43.61% 0.119 255.6)
XYZ	xyz(8.5581, 8.1894, 27.9122)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5191 #915D1D

analogous

#1D8B91 #1D5191 #231D91

triadic

#1D5191 #911D51 #51911D

tetradic

#1D5191 #911D8B #915D1D #1D9123

square

#1D5191 #911D8B #915D1D #1D9123

split-complementary

#1D5191 #91231D #8B911D

monochromatic

#09182B #13355E #1D5191 #276DC4 #4D8DDB

Accessibility & contrast

On white

7.96

#1D5191 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1D5191 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5191

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5191	#FFFFFF	#000000	##FFFFFF
##1D5191	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315793

Deuteranopia (green-blind)

#1B4C90

Tritanopia (blue-blind)

#00606A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d5191;
/* rgb */ color: rgb(29, 81, 145);
/* oklch */ color: oklch(43.6% 0.119 255.6);

Tailwind

colors: {
  custom: {
    50: '#6c81b2',
    500: '#1d5191',
    950: '#000000',
  },
}

SCSS

$custom: #1d5191;
$custom-light: #6c81b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5191",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 145
  },
  "hsl": {
    "h": 213.103,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43605,
    "c": 0.11884,
    "h": 255.6
  },
  "luminance": 0.0819
}

Semantic roles & 50–950 ramp

primary

#1D5191

secondary

#BE8B4C

accent

#9D3EEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D5191

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

Preview Lab → · Contrast checker → · Palette generator →