#1F5D9F#1F5D9F

#1F5D9F is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.4% C 0.124 H 253.2°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F5D9F
RGB	rgb(31, 93, 159)
HSL	hsl(211, 67%, 37%)
HSV	hsv(211, 81%, 62%)
CMYK	cmyk(80.5%, 41.5%, 0%, 37.6%)
CIE-LAB	lab(38.94, 4.90, -41.34)
CIE-LCH	lch(38.94, 41.63, 276.75°)
OKLab	oklab(47.45% -0.0358 -0.1182)
OKLCH	oklch(47.45% 0.124 253.2)
XYZ	xyz(10.7351, 10.6219, 34.2786)
Luminance	0.1062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5D9F #9F611F

analogous

#1F9D9F #1F5D9F #211F9F

triadic

#1F5D9F #9F1F5D #5D9F1F

tetradic

#1F5D9F #9F1F9D #9F611F #1F9F21

square

#1F5D9F #9F1F9D #9F611F #1F9F21

split-complementary

#1F5D9F #9F211F #9D9F1F

monochromatic

#0B2139 #153F6C #1F5D9F #297BD2 #5A9ADF

Accessibility & contrast

On white

6.72

#1F5D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#1F5D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5D9F

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5D9F	#FFFFFF	#000000	##FFFFFF
##1F5D9F	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D62A2

Deuteranopia (green-blind)

#27569E

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f5d9f;
/* rgb */ color: rgb(31, 93, 159);
/* oklch */ color: oklch(47.4% 0.124 253.2);

Tailwind

colors: {
  custom: {
    50: '#6f8abc',
    500: '#1f5d9f',
    950: '#000000',
  },
}

SCSS

$custom: #1f5d9f;
$custom-light: #6f8abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5d9f",
  "rgb": {
    "r": 31,
    "g": 93,
    "b": 159
  },
  "hsl": {
    "h": 210.938,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.47448,
    "c": 0.12351,
    "h": 253.2
  },
  "luminance": 0.10623
}

Semantic roles & 50–950 ramp

primary

#1F5D9F

secondary

#C38F57

accent

#973EEA

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5D9F

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

Preview Lab → · Contrast checker → · Palette generator →