#1D5FA9#1D5FA9

#1D5FA9 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.5% C 0.135 H 254.4°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D5FA9
RGB	rgb(29, 95, 169)
HSL	hsl(212, 71%, 39%)
HSV	hsv(212, 83%, 66%)
CMYK	cmyk(82.8%, 43.8%, 0%, 33.7%)
CIE-LAB	lab(40.10, 7.34, -45.43)
CIE-LCH	lch(40.10, 46.02, 279.18°)
OKLab	oklab(48.53% -0.0362 -0.1302)
OKLCH	oklch(48.53% 0.135 254.4)
XYZ	xyz(11.7577, 11.3088, 39.0915)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5FA9 #A9671D

analogous

#1DA5A9 #1D5FA9 #211DA9

triadic

#1D5FA9 #A91D5F #5FA91D

tetradic

#1D5FA9 #A91DA5 #A9671D #1DA921

square

#1D5FA9 #A91DA5 #A9671D #1DA921

split-complementary

#1D5FA9 #A9211D #A5A91D

monochromatic

#0B2441 #144275 #1D5FA9 #297DDA #5D9CE3

Accessibility & contrast

On white

6.44

#1D5FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#1D5FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5FA9

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5FA9	#FFFFFF	#000000	##FFFFFF
##1D5FA9	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3965AC

Deuteranopia (green-blind)

#1D59A8

Tritanopia (blue-blind)

#00717B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1d5fa9;
/* rgb */ color: rgb(29, 95, 169);
/* oklch */ color: oklch(48.5% 0.135 254.4);

Tailwind

colors: {
  custom: {
    50: '#718bc3',
    500: '#1d5fa9',
    950: '#000000',
  },
}

SCSS

$custom: #1d5fa9;
$custom-light: #718bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5fa9",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 169
  },
  "hsl": {
    "h": 211.714,
    "s": 70.707,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48532,
    "c": 0.13517,
    "h": 254.4
  },
  "luminance": 0.1131
}

Semantic roles & 50–950 ramp

primary

#1D5FA9

secondary

#C7945A

accent

#993AED

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1D5FA9

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

Preview Lab → · Contrast checker → · Palette generator →