#6470E4
Closest named color: Cornflower (#6A79F7). oklch(59.5% 0.174 275.3), rgb(100, 112, 228).
Aa
Black text reads best on this color (4.97:1).
About this color
#6470E4 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.174 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.036 away. Black text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 4.97:1 |
| White text | 4.21:1 |
Values
| HEX | #6470E4 |
| RGB | rgb(100, 112, 228) |
| HSL | hsl(234, 70%, 64%) |
| OKLCH | oklch(59.5% 0.174 275.3) |
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 #6470E4 | 4.21:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #6470E4 | 4.97:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #6470E4 text on white | 4.21:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #6470E4 text on black | 4.97:1 | AA | Lc -32.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7F9
oklch(88.5% 0.047 276.2)
-
Step 300
300
#B0BDF8
oklch(80.9% 0.085 274.7)
-
Step 400
400
#8998F5
oklch(70.7% 0.137 275.4)
-
Step 500
500 (this color)
#6470E4
oklch(59.5% 0.174 275.3)
-
Step 600
600
#5861DF
oklch(55.6% 0.189 275.3)
-
Step 700
700
#494FC2
oklch(49.1% 0.177 275.5)
-
Step 800
800
#3B429D
oklch(42.8% 0.146 275.1)
-
Step 900
900
#32397C
oklch(37.7% 0.112 275.1)
-
Step 950
950
#1D2249
oklch(27% 0.072 275)
#6470E4 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) | #3181E8 | 0.059 |
| Deuteranopia (no green cones) | #1876E2 | 0.064 |
| Tritanopia (no blue cones) | #188A9F | 0.153 |
| Achromatopsia (no color) | #7B7B7B | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6470E4
#6470E4
oklch(59.5% 0.174 275.3)
- #957D00
#957D00
oklch(59.5% 0.122 95.5)
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 #6470E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.036
- Medium Slate Blue #7B68EE ΔE 0.039
- Royal Blue #4169E1 ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.060
- Neon Blue #4361EE ΔE 0.060
- Soft Blue #6488EA ΔE 0.060
Use #6470E4 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.