#2D77BC#2D77BC

#2D77BC is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.129 H 250.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#2D77BC
RGB	rgb(45, 119, 188)
HSL	hsl(209, 61%, 46%)
HSV	hsv(209, 76%, 74%)
CMYK	cmyk(76.1%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(48.74, 1.31, -42.73)
CIE-LCH	lch(48.74, 42.75, 271.75°)
OKLab	oklab(55.75% -0.0441 -0.1217)
OKLCH	oklch(55.75% 0.129 250.1)
XYZ	xyz(16.7527, 17.3804, 50.0390)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D77BC #BC722D

analogous

#2DBCB9 #2D77BC #2D30BC

triadic

#2D77BC #BC2D77 #77BC2D

tetradic

#2D77BC #B92DBC #BC722D #30BC2D

square

#2D77BC #B92DBC #BC722D #30BC2D

split-complementary

#2D77BC #BC2D30 #BCB92D

monochromatic

#153859 #21588B #2D77BC #5195D5 #82B3E1

Accessibility & contrast

On white

4.69

#2D77BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#2D77BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D77BC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D77BC	#FFFFFF	#000000	##FFFFFF
##2D77BC	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577BBF

Deuteranopia (green-blind)

#426EBB

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2d77bc;
/* rgb */ color: rgb(45, 119, 188);
/* oklch */ color: oklch(55.8% 0.129 250.1);

Tailwind

colors: {
  custom: {
    50: '#7a9dd0',
    500: '#2d77bc',
    950: '#000000',
  },
}

SCSS

$custom: #2d77bc;
$custom-light: #7a9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d77bc",
  "rgb": {
    "r": 45,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 208.951,
    "s": 61.373,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55752,
    "c": 0.12942,
    "h": 250.1
  },
  "luminance": 0.17382
}

Semantic roles & 50–950 ramp

primary

#2D77BC

secondary

#CAA17B

accent

#9143E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2D77BC

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

Preview Lab → · Contrast checker → · Palette generator →