#1D5FAA#1D5FAA

#1D5FAA is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.6% C 0.137 H 254.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D5FAA
RGB	rgb(29, 95, 170)
HSL	hsl(212, 71%, 39%)
HSV	hsv(212, 83%, 67%)
CMYK	cmyk(82.9%, 44.1%, 0%, 33.3%)
CIE-LAB	lab(40.16, 7.74, -45.92)
CIE-LCH	lch(40.16, 46.57, 279.56°)
OKLab	oklab(48.6% -0.036 -0.1317)
OKLCH	oklch(48.6% 0.137 254.7)
XYZ	xyz(11.8519, 11.3464, 39.5878)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5FAA #AA681D

analogous

#1DA6AA #1D5FAA #221DAA

triadic

#1D5FAA #AA1D5F #5FAA1D

tetradic

#1D5FAA #AA1DA6 #AA681D #1DAA22

square

#1D5FAA #AA1DA6 #AA681D #1DAA22

split-complementary

#1D5FAA #AA221D #A6AA1D

monochromatic

#0B2541 #144276 #1D5FAA #2A7CDB #5E9CE4

Accessibility & contrast

On white

6.42

#1D5FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#1D5FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5FAA

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5FAA	#FFFFFF	#000000	##FFFFFF
##1D5FAA	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3865AD

Deuteranopia (green-blind)

#1C59A9

Tritanopia (blue-blind)

#00717C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1d5faa;
/* rgb */ color: rgb(29, 95, 170);
/* oklch */ color: oklch(48.6% 0.137 254.7);

Tailwind

colors: {
  custom: {
    50: '#718bc4',
    500: '#1d5faa',
    950: '#000000',
  },
}

SCSS

$custom: #1d5faa;
$custom-light: #718bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5faa",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 170
  },
  "hsl": {
    "h": 211.915,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48601,
    "c": 0.13651,
    "h": 254.7
  },
  "luminance": 0.11348
}

Semantic roles & 50–950 ramp

primary

#1D5FAA

secondary

#C8955B

accent

#9A3AEE

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #1D5FAA

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

Preview Lab → · Contrast checker → · Palette generator →