#4591A1#4591A1

#4591A1 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.5% C 0.078 H 213.4°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#4591A1
RGB	rgb(69, 145, 161)
HSL	hsl(190, 40%, 45%)
HSV	hsv(190, 57%, 63%)
CMYK	cmyk(57.1%, 9.9%, 0%, 36.9%)
CIE-LAB	lab(56.18, -18.69, -15.57)
CIE-LCH	lch(56.18, 24.33, 219.80°)
OKLab	oklab(61.49% -0.0655 -0.0431)
OKLCH	oklch(61.49% 0.078 213.4)
XYZ	xyz(19.0101, 24.0874, 37.3588)
Luminance	0.2409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591A1 #A15545

analogous

#45A183 #4591A1 #4563A1

triadic

#4591A1 #A14591 #91A145

tetradic

#4591A1 #8345A1 #A15545 #63A145

square

#4591A1 #8345A1 #A15545 #63A145

split-complementary

#4591A1 #A14563 #A18345

monochromatic

#20444B #336A76 #4591A1 #66AEBD #91C5D0

Accessibility & contrast

On white

3.61

#4591A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#4591A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591A1

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591A1	#FFFFFF	#000000	##000000
##4591A1	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858DA2

Deuteranopia (green-blind)

#7782A1

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4591a1;
/* rgb */ color: rgb(69, 145, 161);
/* oklch */ color: oklch(61.5% 0.078 213.4);

Tailwind

colors: {
  custom: {
    50: '#81b1bc',
    500: '#4591a1',
    950: '#000000',
  },
}

SCSS

$custom: #4591a1;
$custom-light: #81b1bc;
$custom-dark: #000000;

JSON

{
  "hex": "#4591a1",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 161
  },
  "hsl": {
    "h": 190.435,
    "s": 40,
    "l": 45.098
  },
  "oklch": {
    "l": 0.61489,
    "c": 0.07843,
    "h": 213.4
  },
  "luminance": 0.24089
}

Semantic roles & 50–950 ramp

primary

#4591A1

secondary

#BB9087

accent

#6D58D0

background

#F8FAFB

surface

#EFF5F6

border

#CACFD0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #4591A1

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

Preview Lab → · Contrast checker → · Palette generator →