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Recognised as Colour

#0A28FA

  • #0A28FA
  • Blue
  • Dark
  • Nearest: Blue

#0A28FA is a blue with RGB values 10, 40, 250 and HSL 233°, 96%, 51%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#0A28FA#0A28FA
HEX#0A28FA
RGBrgb(10, 40, 250)
RGB (0–1)0.0392, 0.1569, 0.9804
RGB percentages3.9%, 15.7%, 98%
HSLhsl(232.5, 96%, 51%)
HSV / HSBhsv(232.5, 96%, 98%)
CMYK96%, 84%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer665,850
CSS custom property--colour: #0A28FA;

Brightness & contrast

Relative luminance0.08484WCAG 2.x, 0 is black and 1 is white
Perceived brightness90 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.79:1
Contrast with white7.79:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#F5D705

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005EFFno red cones; affects about 1% of men; ΔE 33.7 from the original
Deuteranopia#0046F7no green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#007096no blue cones; rare, and affects men and women equally; ΔE 108.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.79:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Blue · ΔE 13.5Medium blue · ΔE 13.5Blue violet · ΔE 26.9Dark violet · ΔE 31.6Dark orchid · ΔE 41.5Dark blue · ΔE 41.7
Nearest named CSS colourBlue (#0000FF)ΔE 13.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FADC0A
Analogous#0AA0FA, #640AFA
Triadic#FA0A28, #28FA0A
Split complementary#FA640A, #A0FA0A
Tetradic#FA0AA0, #FADC0A, #0AFA64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D7FE
Lighter +30%#A0ACFD
Lighter +20%#6E80FC
Lighter +10%#3C54FB
Darker −10%#041DCD
Darker −20%#03169B
Darker −30%#020F69
Darker −40%#010837
More saturated +25%#0524FF
Less saturated −25%#293FDB

Channel breakdown

R10
G40
B250
Red10 (3.9%)
Green40 (15.7%)
Blue250 (98%)
Hue232.5°
Saturation (HSL)96%
Lightness50.98%
Dominant channelBlue
Hex per channelR 0A · G 28 · B FA

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Every value on this page was computed from “0a28fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.