#1F5A91#1F5A91

#1F5A91 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.8% C 0.108 H 250.2°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F5A91
RGB	rgb(31, 90, 145)
HSL	hsl(209, 65%, 35%)
HSV	hsv(209, 79%, 57%)
CMYK	cmyk(78.6%, 37.9%, 0%, 43.1%)
CIE-LAB	lab(37.20, 1.33, -35.69)
CIE-LCH	lch(37.20, 35.71, 272.14°)
OKLab	oklab(45.83% -0.0366 -0.1017)
OKLCH	oklch(45.83% 0.108 250.2)
XYZ	xyz(9.3301, 9.6469, 28.1529)
Luminance	0.0965 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5A91 #91561F

analogous

#1F918F #1F5A91 #1F2191

triadic

#1F5A91 #911F5A #5A911F

tetradic

#1F5A91 #8F1F91 #91561F #21911F

square

#1F5A91 #8F1F91 #91561F #21911F

split-complementary

#1F5A91 #911F21 #918F1F

monochromatic

#091B2C #143B5F #1F5A91 #2A79C3 #5198DA

Accessibility & contrast

On white

7.17

#1F5A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1F5A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5A91

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5A91	#FFFFFF	#000000	##FFFFFF
##1F5A91	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405D93

Deuteranopia (green-blind)

#2F5390

Tritanopia (blue-blind)

#00676E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f5a91;
/* rgb */ color: rgb(31, 90, 145);
/* oklch */ color: oklch(45.8% 0.108 250.2);

Tailwind

colors: {
  custom: {
    50: '#6c88b1',
    500: '#1f5a91',
    950: '#000000',
  },
}

SCSS

$custom: #1f5a91;
$custom-light: #6c88b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5a91",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 145
  },
  "hsl": {
    "h": 208.947,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.45826,
    "c": 0.10807,
    "h": 250.2
  },
  "luminance": 0.09648
}

Semantic roles & 50–950 ramp

primary

#1F5A91

secondary

#BD844F

accent

#9140E8

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1F5A91

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

Preview Lab → · Contrast checker → · Palette generator →