#1D5498#1D5498

#1D5498 is a dark, vivid cyan. Relative luminance 0.089; OKLCH L 44.8% C 0.125 H 255.8°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D5498
RGB	rgb(29, 84, 152)
HSL	hsl(213, 68%, 35%)
HSV	hsv(213, 81%, 60%)
CMYK	cmyk(80.9%, 44.7%, 0%, 40.4%)
CIE-LAB	lab(35.73, 7.78, -42.27)
CIE-LCH	lch(35.73, 42.98, 280.43°)
OKLab	oklab(44.8% -0.0306 -0.1212)
OKLCH	oklch(44.8% 0.125 255.8)
XYZ	xyz(9.3424, 8.8677, 30.9189)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5498 #98611D

analogous

#1D9198 #1D5498 #241D98

triadic

#1D5498 #981D54 #54981D

tetradic

#1D5498 #981D91 #98611D #1D9824

square

#1D5498 #981D91 #98611D #1D9824

split-complementary

#1D5498 #98241D #91981D

monochromatic

#091B31 #133865 #1D5498 #2770CB #5290DE

Accessibility & contrast

On white

7.57

#1D5498 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1D5498 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5498

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5498	#FFFFFF	#000000	##FFFFFF
##1D5498	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315A9B

Deuteranopia (green-blind)

#184F97

Tritanopia (blue-blind)

#00646E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d5498;
/* rgb */ color: rgb(29, 84, 152);
/* oklch */ color: oklch(44.8% 0.125 255.8);

Tailwind

colors: {
  custom: {
    50: '#6d83b7',
    500: '#1d5498',
    950: '#000000',
  },
}

SCSS

$custom: #1d5498;
$custom-light: #6d83b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5498",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 152
  },
  "hsl": {
    "h": 213.171,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44798,
    "c": 0.12497,
    "h": 255.8
  },
  "luminance": 0.08869
}

Semantic roles & 50–950 ramp

primary

#1D5498

secondary

#C18E50

accent

#9D3DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D5498

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

Preview Lab → · Contrast checker → · Palette generator →