#274F9F#274F9F

#274F9F is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.5% C 0.138 H 262.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#274F9F
RGB	rgb(39, 79, 159)
HSL	hsl(220, 61%, 39%)
HSV	hsv(220, 75%, 62%)
CMYK	cmyk(75.5%, 50.3%, 0%, 37.6%)
CIE-LAB	lab(35.05, 15.10, -47.55)
CIE-LCH	lch(35.05, 49.89, 287.62°)
OKLab	oklab(44.52% -0.0184 -0.1367)
OKLCH	oklch(44.52% 0.138 262.3)
XYZ	xyz(9.8885, 8.5254, 33.9186)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F9F #9F7727

analogous

#278B9F #274F9F #3B279F

triadic

#274F9F #9F274F #4F9F27

tetradic

#274F9F #9F278B #9F7727 #279F3B

square

#274F9F #9F278B #9F7727 #279F3B

split-complementary

#274F9F #9F3B27 #8B9F27

monochromatic

#0F1E3D #1B376E #274F9F #3668CE #678DDA

Accessibility & contrast

On white

7.76

#274F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#274F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F9F

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F9F	#FFFFFF	#000000	##FFFFFF
##274F9F	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2058A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274f9f;
/* rgb */ color: rgb(39, 79, 159);
/* oklch */ color: oklch(44.5% 0.138 262.3);

Tailwind

colors: {
  custom: {
    50: '#727fbc',
    500: '#274f9f',
    950: '#000000',
  },
}

SCSS

$custom: #274f9f;
$custom-light: #727fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#274f9f",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 159
  },
  "hsl": {
    "h": 220,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.44523,
    "c": 0.1379,
    "h": 262.3
  },
  "luminance": 0.08527
}

Semantic roles & 50–950 ramp

primary

#274F9F

secondary

#C0A062

accent

#AF44E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274F9F

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

Preview Lab → · Contrast checker → · Palette generator →