#274B9A#274B9A

#274B9A is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.136 H 263.4°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#274B9A
RGB	rgb(39, 75, 154)
HSL	hsl(221, 60%, 38%)
HSV	hsv(221, 75%, 60%)
CMYK	cmyk(74.7%, 51.3%, 0%, 39.6%)
CIE-LAB	lab(33.55, 15.84, -46.96)
CIE-LCH	lch(33.55, 49.56, 288.64°)
OKLab	oklab(43.27% -0.0157 -0.135)
OKLCH	oklch(43.27% 0.136 263.4)
XYZ	xyz(9.1834, 7.7956, 31.5863)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B9A #9A7627

analogous

#27849A #274B9A #3C279A

triadic

#274B9A #9A274B #4B9A27

tetradic

#274B9A #9A2784 #9A7627 #279A3C

square

#274B9A #9A2784 #9A7627 #279A3C

split-complementary

#274B9A #9A3C27 #849A27

monochromatic

#0E1B38 #1B3369 #274B9A #3363CB #6488D8

Accessibility & contrast

On white

8.21

#274B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#274B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B9A

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B9A	#FFFFFF	#000000	##FFFFFF
##274B9A	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B549D

Deuteranopia (green-blind)

#004A98

Tritanopia (blue-blind)

#005E6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274b9a;
/* rgb */ color: rgb(39, 75, 154);
/* oklch */ color: oklch(43.3% 0.136 263.4);

Tailwind

colors: {
  custom: {
    50: '#717cb8',
    500: '#274b9a',
    950: '#000000',
  },
}

SCSS

$custom: #274b9a;
$custom-light: #717cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#274b9a",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 154
  },
  "hsl": {
    "h": 221.217,
    "s": 59.585,
    "l": 37.843
  },
  "oklch": {
    "l": 0.43266,
    "c": 0.13589,
    "h": 263.4
  },
  "luminance": 0.07797
}

Semantic roles & 50–950 ramp

primary

#274B9A

secondary

#BDA05F

accent

#B145E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #274B9A

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

Preview Lab → · Contrast checker → · Palette generator →