#1D5898#1D5898

#1D5898 is a mid, vivid cyan. Relative luminance 0.095; OKLCH L 45.7% C 0.120 H 253.5°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D5898
RGB	rgb(29, 88, 152)
HSL	hsl(211, 68%, 35%)
HSV	hsv(211, 81%, 60%)
CMYK	cmyk(80.9%, 42.1%, 0%, 40.4%)
CIE-LAB	lab(36.94, 5.15, -40.33)
CIE-LCH	lch(36.94, 40.66, 277.28°)
OKLab	oklab(45.74% -0.0341 -0.1154)
OKLCH	oklch(45.74% 0.12 253.5)
XYZ	xyz(9.6618, 9.5065, 31.0254)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5898 #985D1D

analogous

#1D9598 #1D5898 #201D98

triadic

#1D5898 #981D58 #58981D

tetradic

#1D5898 #981D95 #985D1D #1D9820

square

#1D5898 #981D95 #985D1D #1D9820

split-complementary

#1D5898 #98201D #95981D

monochromatic

#091C31 #133A65 #1D5898 #2776CB #5295DE

Accessibility & contrast

On white

7.24

#1D5898 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#1D5898 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5898

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5898	#FFFFFF	#000000	##FFFFFF
##1D5898	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395D9B

Deuteranopia (green-blind)

#235297

Tritanopia (blue-blind)

#006770

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1d5898;
/* rgb */ color: rgb(29, 88, 152);
/* oklch */ color: oklch(45.7% 0.120 253.5);

Tailwind

colors: {
  custom: {
    50: '#6d86b7',
    500: '#1d5898',
    950: '#000000',
  },
}

SCSS

$custom: #1d5898;
$custom-light: #6d86b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5898",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 152
  },
  "hsl": {
    "h": 211.22,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45741,
    "c": 0.12031,
    "h": 253.5
  },
  "luminance": 0.09508
}

Semantic roles & 50–950 ramp

primary

#1D5898

secondary

#C18B50

accent

#973DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D5898

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

Preview Lab → · Contrast checker → · Palette generator →