#1F5189#1F5189

#1F5189 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.107 H 253.7°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F5189
RGB	rgb(31, 81, 137)
HSL	hsl(212, 63%, 33%)
HSV	hsv(212, 77%, 54%)
CMYK	cmyk(77.4%, 40.9%, 0%, 46.3%)
CIE-LAB	lab(33.94, 4.04, -36.00)
CIE-LCH	lch(33.94, 36.22, 276.40°)
OKLab	oklab(43.13% -0.0301 -0.1028)
OKLCH	oklch(43.13% 0.107 253.7)
XYZ	xyz(8.0212, 7.9814, 24.7799)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5189 #89571F

analogous

#1F8689 #1F5189 #221F89

triadic

#1F5189 #891F51 #51891F

tetradic

#1F5189 #891F86 #89571F #1F8922

square

#1F5189 #891F86 #89571F #1F8922

split-complementary

#1F5189 #89221F #86891F

monochromatic

#081625 #143357 #1F5189 #2A6FBB #4C8DD6

Accessibility & contrast

On white

8.09

#1F5189 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1F5189 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5189

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5189	#FFFFFF	#000000	##FFFFFF
##1F5189	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36558B

Deuteranopia (green-blind)

#254B88

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1f5189;
/* rgb */ color: rgb(31, 81, 137);
/* oklch */ color: oklch(43.1% 0.107 253.7);

Tailwind

colors: {
  custom: {
    50: '#6b81ac',
    500: '#1f5189',
    950: '#000000',
  },
}

SCSS

$custom: #1f5189;
$custom-light: #6b81ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5189",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 137
  },
  "hsl": {
    "h": 211.698,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43128,
    "c": 0.10709,
    "h": 253.7
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary

#1F5189

secondary

#B9854B

accent

#9942E6

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1F5189

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

Preview Lab → · Contrast checker → · Palette generator →