#3D4CCF
Closest named color: Warm Blue (#4B57DB). oklch(48.9% 0.2 271.6), rgb(61, 76, 207).
Aa
White text reads best on this color (6.70:1).
About this color
#3D4CCF is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.200 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.038 away. White text reads best on it, at 6.70:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #3D4CCF |
| RGB | rgb(61, 76, 207) |
| HSL | hsl(234, 60%, 53%) |
| OKLCH | oklch(48.9% 0.2 271.6) |
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 #3D4CCF | 6.70:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #3D4CCF | 3.13:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #3D4CCF text on white | 6.70:1 | AA | Lc 82.4 | Fine for body text |
| #3D4CCF text on black | 3.13:1 | AA large text | Lc -19.5 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FE
oklch(88.5% 0.054 271.5)
-
Step 300
300
#AABDFF
oklch(80.8% 0.096 271.7)
-
Step 400
400
#7F98FF
oklch(70.6% 0.153 271.7)
-
Step 500
500
#617AFF
oklch(63% 0.198 271.6)
-
Step 600
600
#4B5EEE
oklch(55.5% 0.216 271.6)
-
Step 700
700 (this color)
#3D4CCF
oklch(48.9% 0.2 271.6)
-
Step 800
800
#3240A8
oklch(42.7% 0.166 271.5)
-
Step 900
900
#2B3885
oklch(37.7% 0.129 271.5)
-
Step 950
950
#19214E
oklch(26.9% 0.083 272.1)
#3D4CCF 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) | #0063D3 | 0.058 |
| Deuteranopia (no green cones) | #0055CC | 0.041 |
| Tritanopia (no blue cones) | #006E86 | 0.161 |
| Achromatopsia (no color) | #5C5C5C | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4CCF
#3D4CCF
oklch(48.9% 0.2 271.6)
- #755D00
#755D00
oklch(48.8% 0.1 91.2)
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 #3D4CCF, closest first.
No curated palette has a color within ΔE 0.04 of #3D4CCF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.038
- Blue Blue #2242C7 ΔE 0.042
- Majorelle Blue #3F37C9 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.044
- Blurple #5539CC ΔE 0.047
- Bluey Purple #6241C7 ΔE 0.058
- Azul #1D5DEC ΔE 0.060
- Iris #6258C4 ΔE 0.065
Use #3D4CCF 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.