#3A46BB
Closest named color: Blue Blue (#2242C7). oklch(46% 0.182 272.4), rgb(58, 70, 187).
Aa
White text reads best on this color (7.57:1).
About this color
#3A46BB is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.182 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.034 away. White text reads best on it, at 7.57:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #3A46BB |
| RGB | rgb(58, 70, 187) |
| HSL | hsl(234, 53%, 48%) |
| OKLCH | oklch(46% 0.182 272.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #3A46BB | 7.57:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #3A46BB | 2.77:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #3A46BB text on white | 7.57:1 | AAA | Lc 85.8 | Fine for body text |
| #3A46BB text on black | 2.77:1 | Fails | Lc -16.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBEFA
oklch(81% 0.087 272.1)
-
Step 400
400
#8399F8
oklch(70.7% 0.141 272.5)
-
Step 500
500
#667CF5
oklch(63% 0.181 272.4)
-
Step 600
600
#5062E3
oklch(55.6% 0.195 272.4)
-
Step 700
700 (this color)
#3A46BB
oklch(46% 0.182 272.4)
-
Step 800
800
#3642A0
oklch(42.7% 0.152 272.7)
-
Step 900
900
#2E397F
oklch(37.7% 0.118 272.7)
-
Step 950
950
#1B224A
oklch(27% 0.074 273)
#3A46BB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #005ABF | 0.054 |
| Deuteranopia (no green cones) | #004EB9 | 0.041 |
| Tritanopia (no blue cones) | #00647A | 0.147 |
| Achromatopsia (no color) | #545454 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A46BB
#3A46BB
oklch(46% 0.182 272.4)
- #6A5600
#6A5600
oklch(46% 0.094 93.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3A46BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.034
- Majorelle Blue #3F37C9 ΔE 0.036
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Blurple #5539CC ΔE 0.051
- Sapphire #2138AB ΔE 0.055
- Blueberry #464196 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.063
- Warm Blue #4B57DB ΔE 0.069
Use #3A46BB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.