#3C3DA5
Closest named color: Blueberry (#464196). oklch(42.6% 0.163 276.5), rgb(60, 61, 165).
Aa
White text reads best on this color (8.73:1).
About this color
#3C3DA5 is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.163 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.031 away. White text reads best on it, at 8.73:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.40:1 |
| White text | 8.73:1 |
Values
| HEX | #3C3DA5 |
| RGB | rgb(60, 61, 165) |
| HSL | hsl(239, 47%, 44%) |
| OKLCH | oklch(42.6% 0.163 276.5) |
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 #3C3DA5 | 8.73:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #3C3DA5 | 2.40:1 | Fails | Lc 14.5 | Not readable |
| #3C3DA5 text on white | 8.73:1 | AAA | Lc 89.5 | Fine for body text |
| #3C3DA5 text on black | 2.40:1 | Fails | Lc -12.8 | Not readable |
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 800.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#CFD7FD
oklch(88.5% 0.053 275.9)
-
Step 300
300
#B0BCFE
oklch(81% 0.094 276.1)
-
Step 400
400
#8995FE
oklch(70.6% 0.153 276.8)
-
Step 500
500
#6E77FC
oklch(63.1% 0.195 276.4)
-
Step 600
600
#595BEB
oklch(55.5% 0.212 276.4)
-
Step 700
700
#4A49CD
oklch(49% 0.198 276.6)
-
Step 800
800 (this color)
#3C3DA5
oklch(42.6% 0.163 276.5)
-
Step 900
900
#333683
oklch(37.7% 0.127 276.8)
-
Step 950
950
#1D204D
oklch(26.9% 0.082 276.5)
#3C3DA5 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) | #004FA8 | 0.057 |
| Deuteranopia (no green cones) | #0046A3 | 0.050 |
| Tritanopia (no blue cones) | #00576B | 0.136 |
| Achromatopsia (no color) | #4B4B4B | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C3DA5
#3C3DA5
oklch(42.6% 0.163 276.5)
- #5D4E00
#5D4E00
oklch(42.6% 0.088 96.3)
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 #3C3DA5, closest first.
No curated palette has a color within ΔE 0.04 of #3C3DA5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.031
- Sapphire #2138AB ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.047
- Cobalt #1E488F ΔE 0.056
- Majorelle Blue #3F37C9 ΔE 0.058
- Blue Blue #2242C7 ΔE 0.061
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Indigo Blue #3A18B1 ΔE 0.065
Use #3C3DA5 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.