#747DB1
Closest named color: Lavender Gray (#7E7F9A). oklch(60.3% 0.08 276.2), rgb(116, 125, 177).
Aa
Black text reads best on this color (5.31:1).
About this color
#747DB1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.080 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.040 away. Black text reads best on it, at 5.31:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #747DB1 |
| RGB | rgb(116, 125, 177) |
| HSL | hsl(231, 28%, 57%) |
| OKLCH | oklch(60.3% 0.08 276.2) |
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 #747DB1 | 3.95:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #747DB1 | 5.31:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #747DB1 text on white | 3.95:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #747DB1 text on black | 5.31:1 | AA | Lc -34.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#B9BFDA
oklch(80.9% 0.039 275.6)
-
Step 400
400
#969EC8
oklch(70.8% 0.062 276.3)
-
Step 500
500 (this color)
#747DB1
oklch(60.3% 0.08 276.2)
-
Step 600
600
#666FA6
oklch(55.7% 0.086 276.1)
-
Step 700
700
#545C8E
oklch(49% 0.081 276.1)
-
Step 800
800
#454C74
oklch(42.8% 0.067 275.6)
-
Step 900
900
#3A3F5D
oklch(37.7% 0.052 276.3)
-
Step 950
950
#222537
oklch(27% 0.034 276.6)
#747DB1 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) | #6D82B3 | 0.015 |
| Deuteranopia (no green cones) | #697EB0 | 0.015 |
| Tritanopia (no blue cones) | #63878F | 0.072 |
| Achromatopsia (no color) | #808080 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #747DB1
#747DB1
oklch(60.3% 0.08 276.2)
- #8F8147
#8F8147
oklch(60.3% 0.08 96.1)
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 #747DB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.041
- Off Blue #5684AE ΔE 0.041
- Faded Blue #658CBB ΔE 0.042
- Cool Blue #4984B8 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.051
- Steel Blue #4682B4 ΔE 0.053
- Steel #738595 ΔE 0.055
Use #747DB1 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.