#275BB6#275BB6

#275BB6 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.9% C 0.155 H 260.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#275BB6
RGB	rgb(39, 91, 182)
HSL	hsl(218, 65%, 43%)
HSV	hsv(218, 79%, 71%)
CMYK	cmyk(78.6%, 50%, 0%, 28.6%)
CIE-LAB	lab(40.06, 16.08, -53.13)
CIE-LCH	lch(40.06, 55.51, 286.84°)
OKLab	oklab(48.86% -0.025 -0.1528)
OKLCH	oklch(48.86% 0.155 260.7)
XYZ	xyz(13.0182, 11.2894, 45.7399)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275BB6 #B68227

analogous

#27A2B6 #275BB6 #3A27B6

triadic

#275BB6 #B6275B #5BB627

tetradic

#275BB6 #B627A2 #B68227 #27B63A

square

#275BB6 #B627A2 #B68227 #27B63A

split-complementary

#275BB6 #B63A27 #A2B627

monochromatic

#112951 #1C4284 #275BB6 #4379D7 #769DE2

Accessibility & contrast

On white

6.45

#275BB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#275BB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275BB6

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275BB6	#FFFFFF	#000000	##FFFFFF
##275BB6	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2465B9

Deuteranopia (green-blind)

#0058B4

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #275bb6;
/* rgb */ color: rgb(39, 91, 182);
/* oklch */ color: oklch(48.9% 0.155 260.7);

Tailwind

colors: {
  custom: {
    50: '#7788cc',
    500: '#275bb6',
    950: '#000000',
  },
}

SCSS

$custom: #275bb6;
$custom-light: #7788cc;
$custom-dark: #000000;

JSON

{
  "hex": "#275bb6",
  "rgb": {
    "r": 39,
    "g": 91,
    "b": 182
  },
  "hsl": {
    "h": 218.182,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4886,
    "c": 0.15486,
    "h": 260.7
  },
  "luminance": 0.11291
}

Semantic roles & 50–950 ramp

primary

#275BB6

secondary

#C9A970

accent

#AB40E8

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275BB6

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

Preview Lab → · Contrast checker → · Palette generator →