#1D5F9D#1D5F9D

#1D5F9D is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.7% C 0.119 H 250.9°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D5F9D
RGB	rgb(29, 95, 157)
HSL	hsl(209, 69%, 36%)
HSV	hsv(209, 82%, 62%)
CMYK	cmyk(81.5%, 39.5%, 0%, 38.4%)
CIE-LAB	lab(39.38, 2.61, -39.45)
CIE-LCH	lch(39.38, 39.53, 273.78°)
OKLab	oklab(47.74% -0.0391 -0.1126)
OKLCH	oklch(47.74% 0.119 250.9)
XYZ	xyz(10.6824, 10.8786, 33.4285)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5F9D #9D5B1D

analogous

#1D9D9B #1D5F9D #1D1F9D

triadic

#1D5F9D #9D1D5F #5F9D1D

tetradic

#1D5F9D #9B1D9D #9D5B1D #1F9D1D

square

#1D5F9D #9B1D9D #9D5B1D #1F9D1D

split-complementary

#1D5F9D #9D1D1F #9D9B1D

monochromatic

#0A2036 #134069 #1D5F9D #277ED1 #559CE0

Accessibility & contrast

On white

6.61

#1D5F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1D5F9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5F9D

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5F9D	#FFFFFF	#000000	##FFFFFF
##1D5F9D	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4163A0

Deuteranopia (green-blind)

#2D579C

Tritanopia (blue-blind)

#006E76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1d5f9d;
/* rgb */ color: rgb(29, 95, 157);
/* oklch */ color: oklch(47.7% 0.119 250.9);

Tailwind

colors: {
  custom: {
    50: '#6e8cba',
    500: '#1d5f9d',
    950: '#000000',
  },
}

SCSS

$custom: #1d5f9d;
$custom-light: #6e8cba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5f9d",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 157
  },
  "hsl": {
    "h": 209.063,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.47738,
    "c": 0.11923,
    "h": 250.9
  },
  "luminance": 0.1088
}

Semantic roles & 50–950 ramp

primary

#1D5F9D

secondary

#C38953

accent

#913CEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #1D5F9D

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

Preview Lab → · Contrast checker → · Palette generator →