#1D5FA8#1D5FA8

#1D5FA8 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.5% C 0.134 H 254.2°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D5FA8
RGB	rgb(29, 95, 168)
HSL	hsl(212, 71%, 39%)
HSV	hsv(212, 83%, 66%)
CMYK	cmyk(82.7%, 43.5%, 0%, 34.1%)
CIE-LAB	lab(40.03, 6.95, -44.94)
CIE-LCH	lch(40.03, 45.47, 278.79°)
OKLab	oklab(48.46% -0.0365 -0.1288)
OKLCH	oklch(48.46% 0.134 254.2)
XYZ	xyz(11.6641, 11.2713, 38.5990)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5FA8 #A8661D

analogous

#1DA4A8 #1D5FA8 #211DA8

triadic

#1D5FA8 #A81D5F #5FA81D

tetradic

#1D5FA8 #A81DA4 #A8661D #1DA821

square

#1D5FA8 #A81DA4 #A8661D #1DA821

split-complementary

#1D5FA8 #A8211D #A4A81D

monochromatic

#0B2440 #144174 #1D5FA8 #287DDA #5C9CE3

Accessibility & contrast

On white

6.45

#1D5FA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#1D5FA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5FA8

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5FA8	#FFFFFF	#000000	##FFFFFF
##1D5FA8	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A65AB

Deuteranopia (green-blind)

#1F59A7

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1d5fa8;
/* rgb */ color: rgb(29, 95, 168);
/* oklch */ color: oklch(48.5% 0.134 254.2);

Tailwind

colors: {
  custom: {
    50: '#718bc2',
    500: '#1d5fa8',
    950: '#000000',
  },
}

SCSS

$custom: #1d5fa8;
$custom-light: #718bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5fa8",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 168
  },
  "hsl": {
    "h": 211.511,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48464,
    "c": 0.13383,
    "h": 254.2
  },
  "luminance": 0.11273
}

Semantic roles & 50–950 ramp

primary

#1D5FA8

secondary

#C7935A

accent

#983AED

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1D5FA8

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

Preview Lab → · Contrast checker → · Palette generator →