#1D5798#1D5798

#1D5798 is a mid, vivid cyan. Relative luminance 0.093; OKLCH L 45.5% C 0.121 H 254.1°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D5798
RGB	rgb(29, 87, 152)
HSL	hsl(212, 68%, 35%)
HSV	hsv(212, 81%, 60%)
CMYK	cmyk(80.9%, 42.8%, 0%, 40.4%)
CIE-LAB	lab(36.64, 5.81, -40.82)
CIE-LCH	lch(36.64, 41.23, 278.10°)
OKLab	oklab(45.5% -0.0332 -0.1168)
OKLCH	oklch(45.5% 0.121 254.1)
XYZ	xyz(9.5803, 9.3434, 30.9982)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5798 #985E1D

analogous

#1D9498 #1D5798 #201D98

triadic

#1D5798 #981D57 #57981D

tetradic

#1D5798 #981D94 #985E1D #1D9820

square

#1D5798 #981D94 #985E1D #1D9820

split-complementary

#1D5798 #98201D #94981D

monochromatic

#091C31 #133A65 #1D5798 #2774CB #5294DE

Accessibility & contrast

On white

7.32

#1D5798 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1D5798 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5798

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5798	#FFFFFF	#000000	##FFFFFF
##1D5798	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375C9B

Deuteranopia (green-blind)

#215197

Tritanopia (blue-blind)

#006670

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d5798;
/* rgb */ color: rgb(29, 87, 152);
/* oklch */ color: oklch(45.5% 0.121 254.1);

Tailwind

colors: {
  custom: {
    50: '#6d85b7',
    500: '#1d5798',
    950: '#000000',
  },
}

SCSS

$custom: #1d5798;
$custom-light: #6d85b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5798",
  "rgb": {
    "r": 29,
    "g": 87,
    "b": 152
  },
  "hsl": {
    "h": 211.707,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45504,
    "c": 0.12145,
    "h": 254.1
  },
  "luminance": 0.09345
}

Semantic roles & 50–950 ramp

primary

#1D5798

secondary

#C18C50

accent

#993DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D5798

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

Preview Lab → · Contrast checker → · Palette generator →