#1F74A8#1F74A8

#1F74A8 is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.5% C 0.112 H 241.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F74A8
RGB	rgb(31, 116, 168)
HSL	hsl(203, 69%, 39%)
HSV	hsv(203, 82%, 66%)
CMYK	cmyk(81.5%, 31%, 0%, 34.1%)
CIE-LAB	lab(46.46, -5.93, -34.74)
CIE-LCH	lch(46.46, 35.24, 260.31°)
OKLab	oklab(53.52% -0.0541 -0.0985)
OKLCH	oklch(53.52% 0.112 241.2)
XYZ	xyz(13.8756, 15.6075, 39.3194)
Luminance	0.1561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F74A8 #A8531F

analogous

#1FA898 #1F74A8 #1F30A8

triadic

#1F74A8 #A81F74 #74A81F

tetradic

#1F74A8 #981FA8 #A8531F #30A81F

square

#1F74A8 #981FA8 #A8531F #30A81F

split-complementary

#1F74A8 #A81F30 #A8981F

monochromatic

#0C2D41 #155074 #1F74A8 #2C97D8 #60B0E2

Accessibility & contrast

On white

5.09

#1F74A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#1F74A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F74A8

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F74A8	#FFFFFF	#000000	##FFFFFF
##1F74A8	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B75AA

Deuteranopia (green-blind)

#4969A7

Tritanopia (blue-blind)

#008186

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #1f74a8;
/* rgb */ color: rgb(31, 116, 168);
/* oklch */ color: oklch(53.5% 0.112 241.2);

Tailwind

colors: {
  custom: {
    50: '#729bc2',
    500: '#1f74a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f74a8;
$custom-light: #729bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f74a8",
  "rgb": {
    "r": 31,
    "g": 116,
    "b": 168
  },
  "hsl": {
    "h": 202.774,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.53519,
    "c": 0.11238,
    "h": 241.2
  },
  "luminance": 0.15609
}

Semantic roles & 50–950 ramp

primary

#1F74A8

secondary

#C6855D

accent

#7F3CEC

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1F74A8

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

Preview Lab → · Contrast checker → · Palette generator →