#3D4CC4
Closest named color: Blue Blue (#2242C7). oklch(48% 0.186 271.9), rgb(61, 76, 196).
Aa
White text reads best on this color (6.93:1).
About this color
#3D4CC4 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.186 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.040 away. White text reads best on it, at 6.93:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.02:1 |
| White text | 6.93:1 |
Values
| HEX | #3D4CC4 |
| RGB | rgb(61, 76, 196) |
| HSL | hsl(233, 53%, 50%) |
| OKLCH | oklch(48% 0.186 271.9) |
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 #3D4CC4 | 6.93:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #3D4CC4 | 3.02:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #3D4CC4 text on white | 6.93:1 | AA | Lc 83.4 | Fine for body text |
| #3D4CC4 text on black | 3.02:1 | AA large text | Lc -18.5 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300
#ACBEFC
oklch(81% 0.09 271.8)
-
Step 400
400
#8199FA
oklch(70.7% 0.144 271.8)
-
Step 500
500
#647CF7
oklch(63% 0.184 271.8)
-
Step 600
600
#4E62E6
oklch(55.7% 0.2 271.7)
-
Step 700
700 (this color)
#3D4CC4
oklch(48% 0.186 271.9)
-
Step 800
800
#3442A2
oklch(42.7% 0.155 271.8)
-
Step 900
900
#2D3980
oklch(37.7% 0.12 272.1)
-
Step 950
950
#1A224B
oklch(27% 0.076 272.1)
#3D4CC4 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) | #0060C8 | 0.055 |
| Deuteranopia (no green cones) | #0054C2 | 0.041 |
| Tritanopia (no blue cones) | #006A81 | 0.149 |
| Achromatopsia (no color) | #5A5A5A | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4CC4
#3D4CC4
oklch(48% 0.186 271.9)
- #725B00
#725B00
oklch(48.1% 0.098 91.6)
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 #3D4CC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.040
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Majorelle Blue #3F37C9 ΔE 0.043
- Blurple #5539CC ΔE 0.048
- Warm Blue #4B57DB ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.057
- Iris #6258C4 ΔE 0.063
- Azul #1D5DEC ΔE 0.074
Use #3D4CC4 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.