#274AAD#274AAD

#274AAD is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.164 H 265.4°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#274AAD
RGB	rgb(39, 74, 173)
HSL	hsl(224, 63%, 42%)
HSV	hsv(224, 77%, 68%)
CMYK	cmyk(77.5%, 57.2%, 0%, 32.2%)
CIE-LAB	lab(34.69, 23.87, -56.52)
CIE-LCH	lch(34.69, 61.35, 292.90°)
OKLab	oklab(44.58% -0.0132 -0.1631)
OKLCH	oklch(44.58% 0.164 265.4)
XYZ	xyz(10.8256, 8.3448, 40.5672)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274AAD #AD8A27

analogous

#278DAD #274AAD #4727AD

triadic

#274AAD #AD274A #4AAD27

tetradic

#274AAD #AD278D #AD8A27 #27AD47

square

#274AAD #AD278D #AD8A27 #27AD47

split-complementary

#274AAD #AD4727 #8DAD27

monochromatic

#101F49 #1C357B #274AAD #3E65D3 #708DDF

Accessibility & contrast

On white

7.87

#274AAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#274AAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274AAD

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274AAD	#FFFFFF	#000000	##FFFFFF
##274AAD	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B0

Deuteranopia (green-blind)

#004CAB

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274aad;
/* rgb */ color: rgb(39, 74, 173);
/* oklch */ color: oklch(44.6% 0.164 265.4);

Tailwind

colors: {
  custom: {
    50: '#767cc6',
    500: '#274aad',
    950: '#000000',
  },
}

SCSS

$custom: #274aad;
$custom-light: #767cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#274aad",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 173
  },
  "hsl": {
    "h": 224.328,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44575,
    "c": 0.16364,
    "h": 265.4
  },
  "luminance": 0.08346
}

Semantic roles & 50–950 ramp

primary

#274AAD

secondary

#C6AE6A

accent

#BB42E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274AAD

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

Preview Lab → · Contrast checker → · Palette generator →