#2491AA#2491AA

#2491AA is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.9% C 0.100 H 217.4°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#2491AA
RGB	rgb(36, 145, 170)
HSL	hsl(191, 65%, 40%)
HSV	hsv(191, 79%, 67%)
CMYK	cmyk(78.8%, 14.7%, 0%, 33.3%)
CIE-LAB	lab(55.61, -20.97, -21.67)
CIE-LCH	lch(55.61, 30.16, 225.94°)
OKLab	oklab(60.89% -0.0793 -0.0606)
OKLCH	oklch(60.89% 0.1 217.4)
XYZ	xyz(18.1056, 23.5259, 41.6091)
Luminance	0.2353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2491AA #AA3D24

analogous

#24AA80 #2491AA #244EAA

triadic

#2491AA #AA2491 #91AA24

tetradic

#2491AA #8024AA #AA3D24 #4EAA24

square

#2491AA #8024AA #AA3D24 #4EAA24

split-complementary

#2491AA #AA244E #AA8024

monochromatic

#0F3B45 #196677 #2491AA #37B7D5 #69C9DF

Accessibility & contrast

On white

3.68

#2491AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#2491AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2491AA

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2491AA	#FFFFFF	#000000	##000000
##2491AA	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAB

Deuteranopia (green-blind)

#6F80AA

Tritanopia (blue-blind)

#009A99

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #2491aa;
/* rgb */ color: rgb(36, 145, 170);
/* oklch */ color: oklch(60.9% 0.100 217.4);

Tailwind

colors: {
  custom: {
    50: '#75b1c3',
    500: '#2491aa',
    950: '#000000',
  },
}

SCSS

$custom: #2491aa;
$custom-light: #75b1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2491aa",
  "rgb": {
    "r": 36,
    "g": 145,
    "b": 170
  },
  "hsl": {
    "h": 191.194,
    "s": 65.049,
    "l": 40.392
  },
  "oklch": {
    "l": 0.60891,
    "c": 0.09975,
    "h": 217.4
  },
  "luminance": 0.23528
}

Semantic roles & 50–950 ramp

primary

#2491AA

secondary

#C57765

accent

#5F40E8

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2491AA

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

Preview Lab → · Contrast checker → · Palette generator →