#274AA5#274AA5

#274AA5 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.9% C 0.153 H 264.8°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#274AA5
RGB	rgb(39, 74, 165)
HSL	hsl(223, 62%, 40%)
HSV	hsv(223, 76%, 65%)
CMYK	cmyk(76.4%, 55.2%, 0%, 35.3%)
CIE-LAB	lab(34.08, 20.79, -52.74)
CIE-LCH	lch(34.08, 56.69, 291.51°)
OKLab	oklab(43.92% -0.0137 -0.152)
OKLCH	oklch(43.92% 0.153 264.8)
XYZ	xyz(10.0746, 8.0444, 36.6118)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274AA5 #A58227

analogous

#2789A5 #274AA5 #4327A5

triadic

#274AA5 #A5274A #4AA527

tetradic

#274AA5 #A52789 #A58227 #27A543

square

#274AA5 #A52789 #A58227 #27A543

split-complementary

#274AA5 #A54327 #89A527

monochromatic

#101E42 #1B3474 #274AA5 #3963D0 #6A8ADC

Accessibility & contrast

On white

8.05

#274AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#274AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274AA5

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274AA5	#FFFFFF	#000000	##FFFFFF
##274AA5	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A8

Deuteranopia (green-blind)

#004BA3

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274aa5;
/* rgb */ color: rgb(39, 74, 165);
/* oklch */ color: oklch(43.9% 0.153 264.8);

Tailwind

colors: {
  custom: {
    50: '#747cc0',
    500: '#274aa5',
    950: '#000000',
  },
}

SCSS

$custom: #274aa5;
$custom-light: #747cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#274aa5",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 165
  },
  "hsl": {
    "h": 223.333,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.43917,
    "c": 0.15262,
    "h": 264.8
  },
  "luminance": 0.08046
}

Semantic roles & 50–950 ramp

primary

#274AA5

secondary

#C2A866

accent

#B843E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274AA5

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

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