#2757B2#2757B2

#2757B2 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.154 H 261.6°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#2757B2
RGB	rgb(39, 87, 178)
HSL	hsl(219, 64%, 43%)
HSV	hsv(219, 78%, 70%)
CMYK	cmyk(78.1%, 51.1%, 0%, 30.2%)
CIE-LAB	lab(38.66, 17.16, -53.05)
CIE-LCH	lch(38.66, 55.75, 287.93°)
OKLab	oklab(47.7% -0.0224 -0.1527)
OKLCH	oklch(47.7% 0.154 261.6)
XYZ	xyz(12.2779, 10.4607, 43.4829)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2757B2 #B28227

analogous

#279CB2 #2757B2 #3D27B2

triadic

#2757B2 #B22757 #57B227

tetradic

#2757B2 #B2279C #B28227 #27B23D

square

#2757B2 #B2279C #B28227 #27B23D

split-complementary

#2757B2 #B23D27 #9CB227

monochromatic

#11264E #1C3E80 #2757B2 #4174D5 #7399E0

Accessibility & contrast

On white

6.79

#2757B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2757B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2757B2

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2757B2	#FFFFFF	#000000	##FFFFFF
##2757B2	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D62B5

Deuteranopia (green-blind)

#0055B0

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2757b2;
/* rgb */ color: rgb(39, 87, 178);
/* oklch */ color: oklch(47.7% 0.154 261.6);

Tailwind

colors: {
  custom: {
    50: '#7685ca',
    500: '#2757b2',
    950: '#000000',
  },
}

SCSS

$custom: #2757b2;
$custom-light: #7685ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2757b2",
  "rgb": {
    "r": 39,
    "g": 87,
    "b": 178
  },
  "hsl": {
    "h": 219.281,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47696,
    "c": 0.15431,
    "h": 261.6
  },
  "luminance": 0.10462
}

Semantic roles & 50–950 ramp

primary

#2757B2

secondary

#C8A86D

accent

#AE41E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2757B2

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

Preview Lab → · Contrast checker → · Palette generator →