#2B7DB5#2B7DB5

#2B7DB5 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.116 H 243.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B7DB5
RGB	rgb(43, 125, 181)
HSL	hsl(204, 62%, 44%)
HSV	hsv(204, 76%, 71%)
CMYK	cmyk(76.2%, 30.9%, 0%, 29%)
CIE-LAB	lab(50.12, -5.12, -36.52)
CIE-LCH	lch(50.12, 36.87, 262.02°)
OKLab	oklab(56.71% -0.0528 -0.1035)
OKLCH	oklch(56.71% 0.116 243)
XYZ	xyz(16.6671, 18.5151, 46.4024)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B7DB5 #B5632B

analogous

#2BB5A8 #2B7DB5 #2B38B5

triadic

#2B7DB5 #B52B7D #7DB52B

tetradic

#2B7DB5 #A82BB5 #B5632B #38B52B

square

#2B7DB5 #A82BB5 #B5632B #38B52B

split-complementary

#2B7DB5 #B52B38 #B5A82B

monochromatic

#143952 #1F5B84 #2B7DB5 #499CD4 #7BB7E0

Accessibility & contrast

On white

4.46

#2B7DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#2B7DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B7DB5

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B7DB5	#FFFFFF	#000000	##000000
##2B7DB5	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637EB7

Deuteranopia (green-blind)

#5071B4

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2b7db5;
/* rgb */ color: rgb(43, 125, 181);
/* oklch */ color: oklch(56.7% 0.116 243.0);

Tailwind

colors: {
  custom: {
    50: '#78a2cb',
    500: '#2b7db5',
    950: '#000000',
  },
}

SCSS

$custom: #2b7db5;
$custom-light: #78a2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b7db5",
  "rgb": {
    "r": 43,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 204.348,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56706,
    "c": 0.11615,
    "h": 243
  },
  "luminance": 0.18517
}

Semantic roles & 50–950 ramp

primary

#2B7DB5

secondary

#C89674

accent

#8543E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #2B7DB5

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

Preview Lab → · Contrast checker → · Palette generator →