#1D5991#1D5991

#1D5991 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.5% C 0.110 H 250.4°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D5991
RGB	rgb(29, 89, 145)
HSL	hsl(209, 67%, 34%)
HSV	hsv(209, 80%, 57%)
CMYK	cmyk(80%, 38.6%, 0%, 43.1%)
CIE-LAB	lab(36.84, 1.73, -36.27)
CIE-LCH	lch(36.84, 36.31, 272.74°)
OKLab	oklab(45.52% -0.0368 -0.1034)
OKLCH	oklch(45.52% 0.11 250.4)
XYZ	xyz(9.1880, 9.4492, 28.1222)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5991 #91551D

analogous

#1D918F #1D5991 #1D1F91

triadic

#1D5991 #911D59 #59911D

tetradic

#1D5991 #8F1D91 #91551D #1F911D

square

#1D5991 #8F1D91 #91551D #1F911D

split-complementary

#1D5991 #911D1F #918F1D

monochromatic

#091A2B #133A5E #1D5991 #2778C4 #4D97DB

Accessibility & contrast

On white

7.27

#1D5991 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1D5991 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5991

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5991	#FFFFFF	#000000	##FFFFFF
##1D5991	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5C93

Deuteranopia (green-blind)

#2D5290

Tritanopia (blue-blind)

#00666E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1d5991;
/* rgb */ color: rgb(29, 89, 145);
/* oklch */ color: oklch(45.5% 0.110 250.4);

Tailwind

colors: {
  custom: {
    50: '#6c87b1',
    500: '#1d5991',
    950: '#000000',
  },
}

SCSS

$custom: #1d5991;
$custom-light: #6c87b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5991",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 145
  },
  "hsl": {
    "h": 208.966,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.45523,
    "c": 0.10979,
    "h": 250.4
  },
  "luminance": 0.0945
}

Semantic roles & 50–950 ramp

primary

#1D5991

secondary

#BE834C

accent

#913EEA

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D5991

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

Preview Lab → · Contrast checker → · Palette generator →