#1F5FA1#1F5FA1

#1F5FA1 is a mid, vivid cyan. Relative luminance 0.110; OKLCH L 48.1% C 0.124 H 252.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F5FA1
RGB	rgb(31, 95, 161)
HSL	hsl(210, 68%, 38%)
HSV	hsv(210, 81%, 63%)
CMYK	cmyk(80.7%, 41%, 0%, 36.9%)
CIE-LAB	lab(39.66, 4.39, -41.37)
CIE-LCH	lch(39.66, 41.61, 276.06°)
OKLab	oklab(48.05% -0.037 -0.1183)
OKLCH	oklch(48.05% 0.124 252.6)
XYZ	xyz(11.0879, 11.0476, 35.2593)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5FA1 #A1611F

analogous

#1FA0A1 #1F5FA1 #201FA1

triadic

#1F5FA1 #A11F5F #5FA11F

tetradic

#1F5FA1 #A11FA0 #A1611F #1FA120

square

#1F5FA1 #A11FA0 #A1611F #1FA120

split-complementary

#1F5FA1 #A1201F #A0A11F

monochromatic

#0B223A #15416E #1F5FA1 #297DD4 #5B9CDF

Accessibility & contrast

On white

6.54

#1F5FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#1F5FA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5FA1

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5FA1	#FFFFFF	#000000	##FFFFFF
##1F5FA1	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F64A4

Deuteranopia (green-blind)

#2958A0

Tritanopia (blue-blind)

#006F78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1f5fa1;
/* rgb */ color: rgb(31, 95, 161);
/* oklch */ color: oklch(48.1% 0.124 252.6);

Tailwind

colors: {
  custom: {
    50: '#708bbd',
    500: '#1f5fa1',
    950: '#000000',
  },
}

SCSS

$custom: #1f5fa1;
$custom-light: #708bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5fa1",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 161
  },
  "hsl": {
    "h": 210.462,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.48051,
    "c": 0.12394,
    "h": 252.6
  },
  "luminance": 0.11049
}

Semantic roles & 50–950 ramp

primary

#1F5FA1

secondary

#C48F58

accent

#953DEB

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F5FA1

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

Preview Lab → · Contrast checker → · Palette generator →