#1D5A8A#1D5A8A

#1D5A8A is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.3% C 0.100 H 246.5°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D5A8A
RGB	rgb(29, 90, 138)
HSL	hsl(206, 65%, 33%)
HSV	hsv(206, 79%, 54%)
CMYK	cmyk(79%, 34.8%, 0%, 45.9%)
CIE-LAB	lab(36.76, -1.65, -32.15)
CIE-LCH	lch(36.76, 32.19, 267.06°)
OKLab	oklab(45.34% -0.0397 -0.0914)
OKLCH	oklch(45.34% 0.1 246.5)
XYZ	xyz(8.7485, 9.4075, 25.3946)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5A8A #8A4D1D

analogous

#1D8A83 #1D5A8A #1D248A

triadic

#1D5A8A #8A1D5A #5A8A1D

tetradic

#1D5A8A #831D8A #8A4D1D #248A1D

square

#1D5A8A #831D8A #8A4D1D #248A1D

split-complementary

#1D5A8A #8A1D24 #8A831D

monochromatic

#081825 #123957 #1D5A8A #287BBD #4999D9

Accessibility & contrast

On white

7.29

#1D5A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1D5A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5A8A

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5A8A	#FFFFFF	#000000	##FFFFFF
##1D5A8A	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445C8C

Deuteranopia (green-blind)

#345289

Tritanopia (blue-blind)

#00666B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d5a8a;
/* rgb */ color: rgb(29, 90, 138);
/* oklch */ color: oklch(45.3% 0.100 246.5);

Tailwind

colors: {
  custom: {
    50: '#6a88ac',
    500: '#1d5a8a',
    950: '#000000',
  },
}

SCSS

$custom: #1d5a8a;
$custom-light: #6a88ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5a8a",
  "rgb": {
    "r": 29,
    "g": 90,
    "b": 138
  },
  "hsl": {
    "h": 206.422,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45335,
    "c": 0.09962,
    "h": 246.5
  },
  "luminance": 0.09409
}

Semantic roles & 50–950 ramp

primary

#1D5A8A

secondary

#BB7B48

accent

#8A40E8

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1D5A8A

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

Preview Lab → · Contrast checker → · Palette generator →