#274F9E#274F9E

#274F9E is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.136 H 262.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#274F9E
RGB	rgb(39, 79, 158)
HSL	hsl(220, 60%, 39%)
HSV	hsv(220, 75%, 62%)
CMYK	cmyk(75.3%, 50%, 0%, 38%)
CIE-LAB	lab(34.98, 14.71, -47.06)
CIE-LCH	lch(34.98, 49.31, 287.36°)
OKLab	oklab(44.45% -0.0186 -0.1352)
OKLCH	oklch(44.45% 0.136 262.2)
XYZ	xyz(9.8020, 8.4908, 33.4634)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F9E #9E7627

analogous

#278A9E #274F9E #3A279E

triadic

#274F9E #9E274F #4F9E27

tetradic

#274F9E #9E278A #9E7627 #279E3A

square

#274F9E #9E278A #9E7627 #279E3A

split-complementary

#274F9E #9E3A27 #8A9E27

monochromatic

#0F1E3C #1B366D #274F9E #3568CD #668DD9

Accessibility & contrast

On white

7.78

#274F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#274F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F9E

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F9E	#FFFFFF	#000000	##FFFFFF
##274F9E	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2158A1

Deuteranopia (green-blind)

#004D9C

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274f9e;
/* rgb */ color: rgb(39, 79, 158);
/* oklch */ color: oklch(44.4% 0.136 262.2);

Tailwind

colors: {
  custom: {
    50: '#727fbb',
    500: '#274f9e',
    950: '#000000',
  },
}

SCSS

$custom: #274f9e;
$custom-light: #727fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#274f9e",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 158
  },
  "hsl": {
    "h": 219.832,
    "s": 60.406,
    "l": 38.627
  },
  "oklch": {
    "l": 0.44448,
    "c": 0.13649,
    "h": 262.2
  },
  "luminance": 0.08492
}

Semantic roles & 50–950 ramp

primary

#274F9E

secondary

#BFA062

accent

#AE44E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274F9E

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

Preview Lab → · Contrast checker → · Palette generator →