#1F5291#1F5291

#1F5291 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.9% C 0.117 H 255.6°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F5291
RGB	rgb(31, 82, 145)
HSL	hsl(213, 65%, 35%)
HSV	hsv(213, 79%, 57%)
CMYK	cmyk(78.6%, 43.4%, 0%, 43.1%)
CIE-LAB	lab(34.74, 6.55, -39.61)
CIE-LCH	lch(34.74, 40.15, 279.39°)
OKLab	oklab(43.91% -0.0292 -0.1133)
OKLCH	oklch(43.91% 0.117 255.6)
XYZ	xyz(8.6913, 8.3692, 27.9399)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5291 #915E1F

analogous

#1F8B91 #1F5291 #251F91

triadic

#1F5291 #911F52 #52911F

tetradic

#1F5291 #911F8B #915E1F #1F9125

square

#1F5291 #911F8B #915E1F #1F9125

split-complementary

#1F5291 #91251F #8B911F

monochromatic

#09192C #14355F #1F5291 #2A6FC3 #518EDA

Accessibility & contrast

On white

7.85

#1F5291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#1F5291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5291

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5291	#FFFFFF	#000000	##FFFFFF
##1F5291	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335793

Deuteranopia (green-blind)

#1E4D90

Tritanopia (blue-blind)

#00616A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1f5291;
/* rgb */ color: rgb(31, 82, 145);
/* oklch */ color: oklch(43.9% 0.117 255.6);

Tailwind

colors: {
  custom: {
    50: '#6c82b2',
    500: '#1f5291',
    950: '#000000',
  },
}

SCSS

$custom: #1f5291;
$custom-light: #6c82b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5291",
  "rgb": {
    "r": 31,
    "g": 82,
    "b": 145
  },
  "hsl": {
    "h": 213.158,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43906,
    "c": 0.11704,
    "h": 255.6
  },
  "luminance": 0.0837
}

Semantic roles & 50–950 ramp

primary

#1F5291

secondary

#BD8C4F

accent

#9D40E8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F5291

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

Preview Lab → · Contrast checker → · Palette generator →