#4591BE#4591BE

#4591BE is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.101 H 237.4°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4591BE
RGB	rgb(69, 145, 190)
HSL	hsl(202, 48%, 51%)
HSV	hsv(202, 64%, 75%)
CMYK	cmyk(63.7%, 23.7%, 0%, 25.5%)
CIE-LAB	lab(57.30, -9.56, -30.37)
CIE-LCH	lch(57.30, 31.84, 252.53°)
OKLab	oklab(62.76% -0.0545 -0.0852)
OKLCH	oklch(62.76% 0.101 237.4)
XYZ	xyz(21.8703, 25.2315, 52.4228)
Luminance	0.2523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591BE #BE7245

analogous

#45BEAE #4591BE #4554BE

triadic

#4591BE #BE4591 #91BE45

tetradic

#4591BE #AE45BE #BE7245 #54BE45

square

#4591BE #AE45BE #BE7245 #54BE45

split-complementary

#4591BE #BE4554 #BEAE45

monochromatic

#234D65 #336F93 #4591BE #72ACCE #A0C7DE

Accessibility & contrast

On white

3.47

#4591BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#4591BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591BE

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591BE	#FFFFFF	#000000	##000000
##4591BE	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C90C0

Deuteranopia (green-blind)

#6B84BD

Tritanopia (blue-blind)

#009DA0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4591be;
/* rgb */ color: rgb(69, 145, 190);
/* oklch */ color: oklch(62.8% 0.101 237.4);

Tailwind

colors: {
  custom: {
    50: '#84b1d1',
    500: '#4591be',
    950: '#000000',
  },
}

SCSS

$custom: #4591be;
$custom-light: #84b1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4591be",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 190
  },
  "hsl": {
    "h": 202.314,
    "s": 48.207,
    "l": 50.784
  },
  "oklch": {
    "l": 0.62759,
    "c": 0.10115,
    "h": 237.4
  },
  "luminance": 0.25234
}

Semantic roles & 50–950 ramp

primary

#4591BE

secondary

#CAA995

accent

#8350D8

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4591BE

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

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