#1F5D9D#1F5D9D

#1F5D9D is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.3% C 0.121 H 252.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F5D9D
RGB	rgb(31, 93, 157)
HSL	hsl(210, 67%, 37%)
HSV	hsv(210, 80%, 62%)
CMYK	cmyk(80.3%, 40.8%, 0%, 38.4%)
CIE-LAB	lab(38.82, 4.11, -40.33)
CIE-LCH	lch(38.82, 40.54, 275.82°)
OKLab	oklab(47.32% -0.0362 -0.1153)
OKLCH	oklch(47.32% 0.121 252.5)
XYZ	xyz(10.5629, 10.5531, 33.3720)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5D9D #9D5F1F

analogous

#1F9C9D #1F5D9D #201F9D

triadic

#1F5D9D #9D1F5D #5D9D1F

tetradic

#1F5D9D #9D1F9C #9D5F1F #1F9D20

square

#1F5D9D #9D1F9C #9D5F1F #1F9D20

split-complementary

#1F5D9D #9D201F #9C9D1F

monochromatic

#0B2037 #153F6A #1F5D9D #297BD0 #589ADE

Accessibility & contrast

On white

6.75

#1F5D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#1F5D9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5D9D

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5D9D	#FFFFFF	#000000	##FFFFFF
##1F5D9D	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E62A0

Deuteranopia (green-blind)

#29569C

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f5d9d;
/* rgb */ color: rgb(31, 93, 157);
/* oklch */ color: oklch(47.3% 0.121 252.5);

Tailwind

colors: {
  custom: {
    50: '#6f8aba',
    500: '#1f5d9d',
    950: '#000000',
  },
}

SCSS

$custom: #1f5d9d;
$custom-light: #6f8aba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5d9d",
  "rgb": {
    "r": 31,
    "g": 93,
    "b": 157
  },
  "hsl": {
    "h": 210.476,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47316,
    "c": 0.12083,
    "h": 252.5
  },
  "luminance": 0.10554
}

Semantic roles & 50–950 ramp

primary

#1F5D9D

secondary

#C28D56

accent

#953EEA

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1F5D9D

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

Preview Lab → · Contrast checker → · Palette generator →