#737398
Closest named color: Grey Purple (#826D8C). oklch(57% 0.057 284.5), rgb(115, 115, 152).
Aa
Black text reads best on this color (4.63:1).
About this color
#737398 is a medium-dark, muted purple. In OKLCH its lightness is 57%, its chroma 0.057 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Purple (#826D8C), ΔE 0.029 away. Black text reads best on it, at 4.63:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Grey Purple (#826D8C) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #737398 |
| RGB | rgb(115, 115, 152) |
| HSL | hsl(240, 15%, 52%) |
| OKLCH | oklch(57% 0.057 284.5) |
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 #737398 | 4.53:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #737398 | 4.63:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #737398 text on white | 4.53:1 | AA | Lc 71.5 | Content text, not long reading |
| #737398 text on black | 4.63:1 | AA | Lc -30.2 | 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 600.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D8D8E2
oklch(88.5% 0.014 286.1)
-
Step 300
300
#BEBFD1
oklch(80.9% 0.025 283.3)
-
Step 400
400
#9D9EBA
oklch(70.8% 0.041 283.7)
-
Step 500
500
#8586A9
oklch(63.2% 0.052 283.5)
-
Step 600
600 (this color)
#737398
oklch(57% 0.057 284.5)
-
Step 700
700
#5D5D7E
oklch(49.2% 0.053 284.3)
-
Step 800
800
#4C4C66
oklch(42.7% 0.043 284.4)
-
Step 900
900
#3F3F53
oklch(37.6% 0.034 284.6)
-
Step 950
950
#252531
oklch(27% 0.022 284.8)
#737398 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) | #69779A | 0.017 |
| Deuteranopia (no green cones) | #687597 | 0.016 |
| Tritanopia (no blue cones) | #6B7980 | 0.048 |
| Achromatopsia (no color) | #767676 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737398
#737398
oklch(57% 0.057 284.5)
- #7C7952
#7C7952
oklch(56.9% 0.056 104.3)
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 #737398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Purple #826D8C ΔE 0.029
- Purple Grey #866F85 ΔE 0.039
- Lavender Gray #7E7F9A ΔE 0.039
- Dark Lavender #856798 ΔE 0.041
- Grey Blue #647D8E ΔE 0.042
- Slate Gray #708090 ΔE 0.043
- Battleship Gray #6C757D ΔE 0.047
- Battleship Grey #6B7C85 ΔE 0.047
Use #737398 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.