#747ACF
Closest named color: Soft Blue (#6488EA). oklch(61.2% 0.128 278.8), rgb(116, 122, 207).
Aa
Black text reads best on this color (5.42:1).
About this color
#747ACF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.128 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.051 away. Black text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.42:1 |
| White text | 3.86:1 |
Values
| HEX | #747ACF |
| RGB | rgb(116, 122, 207) |
| HSL | hsl(236, 49%, 63%) |
| OKLCH | oklch(61.2% 0.128 278.8) |
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 #747ACF | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #747ACF | 5.42:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #747ACF text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #747ACF text on black | 5.42:1 | AA | Lc -35.6 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B7BDE9
oklch(80.8% 0.062 278.8)
-
Step 400
400
#939ADE
oklch(70.7% 0.1 279)
-
Step 500
500 (this color)
#747ACF
oklch(61.2% 0.128 278.8)
-
Step 600
600
#6367C2
oklch(55.5% 0.139 278.9)
-
Step 700
700
#5256A8
oklch(49.2% 0.129 278.4)
-
Step 800
800
#434688
oklch(42.6% 0.108 278.8)
-
Step 900
900
#383C6D
oklch(37.8% 0.083 278.1)
-
Step 950
950
#212340
oklch(27% 0.054 279.2)
#747ACF 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) | #5B85D2 | 0.039 |
| Deuteranopia (no green cones) | #547ECD | 0.040 |
| Tritanopia (no blue cones) | #568B9A | 0.112 |
| Achromatopsia (no color) | #818181 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #747ACF
#747ACF
oklch(61.2% 0.128 278.8)
- #978400
#978400
oklch(61.2% 0.127 99.1)
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 #747ACF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.051
- Medium Purple #9370DB ΔE 0.055
- Deep Lilac #966EBD ΔE 0.060
- Cornflower #6A79F7 ΔE 0.062
- Faded Blue #658CBB ΔE 0.066
- Medium Slate Blue #7B68EE ΔE 0.069
- Dark Sky Blue #448EE4 ΔE 0.069
- Perrywinkle #8F8CE7 ΔE 0.070
Use #747ACF 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.