#2758AB#2758AB

#2758AB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.4% C 0.143 H 260.3°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#2758AB
RGB	rgb(39, 88, 171)
HSL	hsl(218, 63%, 41%)
HSV	hsv(218, 77%, 67%)
CMYK	cmyk(77.2%, 48.5%, 0%, 32.9%)
CIE-LAB	lab(38.46, 13.79, -49.22)
CIE-LCH	lch(38.46, 51.12, 285.65°)
OKLab	oklab(47.4% -0.0242 -0.1414)
OKLCH	oklch(47.4% 0.143 260.3)
XYZ	xyz(11.6744, 10.3497, 39.9026)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2758AB #AB7A27

analogous

#279AAB #2758AB #3827AB

triadic

#2758AB #AB2758 #58AB27

tetradic

#2758AB #AB279A #AB7A27 #27AB38

square

#2758AB #AB279A #AB7A27 #27AB38

split-complementary

#2758AB #AB3827 #9AAB27

monochromatic

#102547 #1C3E79 #2758AB #3D74D3 #6E98DE

Accessibility & contrast

On white

6.84

#2758AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2758AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2758AB

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2758AB	#FFFFFF	#000000	##FFFFFF
##2758AB	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2961AE

Deuteranopia (green-blind)

#0055A9

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2758ab;
/* rgb */ color: rgb(39, 88, 171);
/* oklch */ color: oklch(47.4% 0.143 260.3);

Tailwind

colors: {
  custom: {
    50: '#7586c4',
    500: '#2758ab',
    950: '#000000',
  },
}

SCSS

$custom: #2758ab;
$custom-light: #7586c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2758ab",
  "rgb": {
    "r": 39,
    "g": 88,
    "b": 171
  },
  "hsl": {
    "h": 217.727,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.47395,
    "c": 0.14345,
    "h": 260.3
  },
  "luminance": 0.10351
}

Semantic roles & 50–950 ramp

primary

#2758AB

secondary

#C5A369

accent

#A942E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2758AB

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

Preview Lab → · Contrast checker → · Palette generator →