#1D5FA6#1D5FA6

#1D5FA6 is a mid, vivid cyan. Relative luminance 0.112; OKLCH L 48.3% C 0.131 H 253.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#1D5FA6
RGB	rgb(29, 95, 166)
HSL	hsl(211, 70%, 38%)
HSV	hsv(211, 83%, 65%)
CMYK	cmyk(82.5%, 42.8%, 0%, 34.9%)
CIE-LAB	lab(39.91, 6.16, -43.95)
CIE-LCH	lch(39.91, 44.38, 277.97°)
OKLab	oklab(48.33% -0.0369 -0.1259)
OKLCH	oklch(48.33% 0.131 253.7)
XYZ	xyz(11.4793, 11.1974, 37.6253)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5FA6 #A6641D

analogous

#1DA3A6 #1D5FA6 #201DA6

triadic

#1D5FA6 #A61D5F #5FA61D

tetradic

#1D5FA6 #A61DA3 #A6641D #1DA620

square

#1D5FA6 #A61DA3 #A6641D #1DA620

split-complementary

#1D5FA6 #A6201D #A3A61D

monochromatic

#0B233E #144172 #1D5FA6 #277DD9 #5B9CE2

Accessibility & contrast

On white

6.48

#1D5FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#1D5FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5FA6

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5FA6	#FFFFFF	#000000	##FFFFFF
##1D5FA6	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B65A9

Deuteranopia (green-blind)

#2258A5

Tritanopia (blue-blind)

#00707A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1d5fa6;
/* rgb */ color: rgb(29, 95, 166);
/* oklch */ color: oklch(48.3% 0.131 253.7);

Tailwind

colors: {
  custom: {
    50: '#708bc1',
    500: '#1d5fa6',
    950: '#000000',
  },
}

SCSS

$custom: #1d5fa6;
$custom-light: #708bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5fa6",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 166
  },
  "hsl": {
    "h": 211.095,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48329,
    "c": 0.13117,
    "h": 253.7
  },
  "luminance": 0.11199
}

Semantic roles & 50–950 ramp

primary

#1D5FA6

secondary

#C69159

accent

#973BED

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1D5FA6

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

Preview Lab → · Contrast checker → · Palette generator →