#1D5499#1D5499

#1D5499 is a dark, vivid cyan. Relative luminance 0.089; OKLCH L 44.9% C 0.126 H 256.1°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#1D5499
RGB	rgb(29, 84, 153)
HSL	hsl(213, 68%, 36%)
HSV	hsv(213, 81%, 60%)
CMYK	cmyk(81%, 45.1%, 0%, 40%)
CIE-LAB	lab(35.79, 8.18, -42.77)
CIE-LCH	lch(35.79, 43.55, 280.83°)
OKLab	oklab(44.87% -0.0304 -0.1226)
OKLCH	oklch(44.87% 0.126 256.1)
XYZ	xyz(9.4247, 8.9006, 31.3521)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5499 #99621D

analogous

#1D9299 #1D5499 #241D99

triadic

#1D5499 #991D54 #54991D

tetradic

#1D5499 #991D92 #99621D #1D9924

square

#1D5499 #991D92 #99621D #1D9924

split-complementary

#1D5499 #99241D #92991D

monochromatic

#091C32 #133866 #1D5499 #2770CC #5290DE

Accessibility & contrast

On white

7.55

#1D5499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#1D5499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5499

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5499	#FFFFFF	#000000	##FFFFFF
##1D5499	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305A9C

Deuteranopia (green-blind)

#164F98

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d5499;
/* rgb */ color: rgb(29, 84, 153);
/* oklch */ color: oklch(44.9% 0.126 256.1);

Tailwind

colors: {
  custom: {
    50: '#6e83b7',
    500: '#1d5499',
    950: '#000000',
  },
}

SCSS

$custom: #1d5499;
$custom-light: #6e83b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5499",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 153
  },
  "hsl": {
    "h": 213.387,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44868,
    "c": 0.12635,
    "h": 256.1
  },
  "luminance": 0.08902
}

Semantic roles & 50–950 ramp

primary

#1D5499

secondary

#C18F51

accent

#9E3DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D5499

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

Preview Lab → · Contrast checker → · Palette generator →