#2A5FB0#2A5FB0

#2A5FB0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.4% C 0.141 H 258.8°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#2A5FB0
RGB	rgb(42, 95, 176)
HSL	hsl(216, 61%, 43%)
HSV	hsv(216, 76%, 69%)
CMYK	cmyk(76.1%, 46%, 0%, 31%)
CIE-LAB	lab(40.91, 11.51, -48.23)
CIE-LCH	lch(40.91, 49.59, 283.43°)
OKLab	oklab(49.41% -0.0273 -0.1383)
OKLCH	oklch(49.41% 0.141 258.8)
XYZ	xyz(12.8807, 11.8098, 42.6665)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5FB0 #B07B2A

analogous

#2AA2B0 #2A5FB0 #382AB0

triadic

#2A5FB0 #B02A5F #5FB02A

tetradic

#2A5FB0 #B02AA2 #B07B2A #2AB038

square

#2A5FB0 #B02AA2 #B07B2A #2AB038

split-complementary

#2A5FB0 #B0382A #A2B02A

monochromatic

#122A4D #1E447F #2A5FB0 #457DD3 #769FDE

Accessibility & contrast

On white

6.25

#2A5FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#2A5FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5FB0

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5FB0	#FFFFFF	#000000	##FFFFFF
##2A5FB0	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3567B3

Deuteranopia (green-blind)

#165BAE

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2a5fb0;
/* rgb */ color: rgb(42, 95, 176);
/* oklch */ color: oklch(49.4% 0.141 258.8);

Tailwind

colors: {
  custom: {
    50: '#778bc8',
    500: '#2a5fb0',
    950: '#000000',
  },
}

SCSS

$custom: #2a5fb0;
$custom-light: #778bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5fb0",
  "rgb": {
    "r": 42,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 216.269,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49413,
    "c": 0.14096,
    "h": 258.8
  },
  "luminance": 0.11811
}

Semantic roles & 50–950 ramp

primary

#2A5FB0

secondary

#C6A470

accent

#A543E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A5FB0

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

Preview Lab → · Contrast checker → · Palette generator →