#1F5983#1F5983

#1F5983 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.7% C 0.091 H 244.0°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#1F5983
RGB	rgb(31, 89, 131)
HSL	hsl(205, 62%, 32%)
HSV	hsv(205, 76%, 51%)
CMYK	cmyk(76.3%, 32.1%, 0%, 48.6%)
CIE-LAB	lab(36.13, -3.46, -28.87)
CIE-LCH	lch(36.13, 29.07, 263.18°)
OKLab	oklab(44.73% -0.0398 -0.0818)
OKLCH	oklch(44.73% 0.091 244)
XYZ	xyz(8.2326, 9.0738, 22.7859)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5983 #83491F

analogous

#1F837B #1F5983 #1F2783

triadic

#1F5983 #831F59 #59831F

tetradic

#1F5983 #7B1F83 #83491F #27831F

square

#1F5983 #7B1F83 #83491F #27831F

split-complementary

#1F5983 #831F27 #837B1F

monochromatic

#081620 #133752 #1F5983 #2B7BB4 #4999D4

Accessibility & contrast

On white

7.46

#1F5983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#1F5983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5983

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5983	#FFFFFF	#000000	##FFFFFF
##1F5983	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465A85

Deuteranopia (green-blind)

#385182

Tritanopia (blue-blind)

#006368

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1f5983;
/* rgb */ color: rgb(31, 89, 131);
/* oklch */ color: oklch(44.7% 0.091 244.0);

Tailwind

colors: {
  custom: {
    50: '#6987a7',
    500: '#1f5983',
    950: '#000000',
  },
}

SCSS

$custom: #1f5983;
$custom-light: #6987a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5983",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 131
  },
  "hsl": {
    "h": 205.2,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.44732,
    "c": 0.09095,
    "h": 244
  },
  "luminance": 0.09075
}

Semantic roles & 50–950 ramp

primary

#1F5983

secondary

#B67648

accent

#8743E5

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1F5983

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

Preview Lab → · Contrast checker → · Palette generator →