#7377BB
Closest named color: Off Blue (#5684AE). oklch(59.5% 0.103 280.2), rgb(115, 119, 187).
Aa
Black text reads best on this color (5.08:1).
About this color
#7377BB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.103 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.057 away. Black text reads best on it, at 5.08:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.08:1 |
| White text | 4.12:1 |
Values
| HEX | #7377BB |
| RGB | rgb(115, 119, 187) |
| HSL | hsl(237, 35%, 59%) |
| OKLCH | oklch(59.5% 0.103 280.2) |
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 #7377BB | 4.12:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #7377BB | 5.08:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #7377BB text on white | 4.12:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #7377BB text on black | 5.08:1 | AA | Lc -33.3 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#BABEE1
oklch(81% 0.049 280.1)
-
Step 400
400
#969BD3
oklch(70.6% 0.082 280.1)
-
Step 500
500 (this color)
#7377BB
oklch(59.5% 0.103 280.2)
-
Step 600
600
#676AB3
oklch(55.5% 0.112 280.3)
-
Step 700
700
#56589A
oklch(49% 0.104 280.5)
-
Step 800
800
#46497D
oklch(42.8% 0.086 279.6)
-
Step 900
900
#3B3D65
oklch(37.7% 0.068 280.4)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#7377BB 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) | #617FBE | 0.029 |
| Deuteranopia (no green cones) | #5D7AB9 | 0.030 |
| Tritanopia (no blue cones) | #5E8490 | 0.090 |
| Achromatopsia (no color) | #7D7D7D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7377BB
#7377BB
oklch(59.5% 0.103 280.2)
- #8D802D
#8D802D
oklch(59.5% 0.103 100.3)
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 #7377BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.057
- Deep Lilac #966EBD ΔE 0.057
- Cool Blue #4984B8 ΔE 0.058
- Faded Blue #658CBB ΔE 0.059
- Dusty Blue #5A86AD ΔE 0.059
- Steel Blue #4682B4 ΔE 0.061
- Lavender Gray #7E7F9A ΔE 0.063
- Dark Lavender #856798 ΔE 0.064
Use #7377BB 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.