#737899
Closest named color: Lavender Gray (#7E7F9A). oklch(58.1% 0.051 278), rgb(115, 120, 153).
Aa
Black text reads best on this color (4.87:1).
About this color
#737899 is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.051 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.027 away. Black text reads best on it, at 4.87:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #737899 |
| RGB | rgb(115, 120, 153) |
| HSL | hsl(232, 16%, 53%) |
| OKLCH | oklch(58.1% 0.051 278) |
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 #737899 | 4.30:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #737899 | 4.87:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #737899 text on white | 4.30:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #737899 text on black | 4.87:1 | AA | Lc -31.9 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E2
oklch(88.4% 0.014 281.5)
-
Step 300
300
#BDC0D0
oklch(81% 0.023 277.4)
-
Step 400
400
#9B9FB8
oklch(70.8% 0.037 278.2)
-
Step 500
500
#8287A6
oklch(63% 0.047 277.8)
-
Step 600
600 (this color)
#737899
oklch(58.1% 0.051 278)
-
Step 700
700
#5A5E7C
oklch(49% 0.048 278.5)
-
Step 800
800
#4A4D65
oklch(42.7% 0.04 279)
-
Step 900
900
#3D4052
oklch(37.6% 0.031 277.4)
-
Step 950
950
#242630
oklch(27.1% 0.019 276.2)
#737899 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) | #6F7B9A | 0.009 |
| Deuteranopia (no green cones) | #6D7898 | 0.009 |
| Tritanopia (no blue cones) | #6A7E83 | 0.046 |
| Achromatopsia (no color) | #7A7A7A | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737899
#737899
oklch(58.1% 0.051 278)
- #827B58
#827B58
oklch(58% 0.051 98.2)
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 #737899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.027
- Slate Gray #708090 ΔE 0.031
- Grey Blue #647D8E ΔE 0.033
- Grey Purple #826D8C ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.039
- Steel #738595 ΔE 0.040
- Purple Grey #866F85 ΔE 0.041
- Steel Grey #6F828A ΔE 0.043
Use #737899 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.