#757D99
Closest named color: Lavender Gray (#7E7F9A). oklch(59.3% 0.044 272.5), rgb(117, 125, 153).
Aa
Black text reads best on this color (5.14:1).
About this color
#757D99 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.044 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.015 away. Black text reads best on it, at 5.14:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.14:1 |
| White text | 4.07:1 |
Values
| HEX | #757D99 |
| RGB | rgb(117, 125, 153) |
| HSL | hsl(227, 15%, 53%) |
| OKLCH | oklch(59.3% 0.044 272.5) |
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 #757D99 | 4.07:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #757D99 | 5.14:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #757D99 text on white | 4.07:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #757D99 text on black | 5.14:1 | AA | Lc -33.7 | 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
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E1
oklch(88.5% 0.011 269.5)
-
Step 300
300
#BCC0CE
oklch(80.9% 0.02 273.2)
-
Step 400
400
#9AA0B5
oklch(70.8% 0.031 272.9)
-
Step 500
500
#8188A3
oklch(63% 0.041 273.7)
-
Step 600
600 (this color)
#757D99
oklch(59.3% 0.044 272.5)
-
Step 700
700
#596078
oklch(49.2% 0.039 272.2)
-
Step 800
800
#484E62
oklch(42.6% 0.034 271.8)
-
Step 900
900
#3D4150
oklch(37.8% 0.026 273.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#757D99 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) | #757F9A | 0.006 |
| Deuteranopia (no green cones) | #727C98 | 0.005 |
| Tritanopia (no blue cones) | #6C8286 | 0.040 |
| Achromatopsia (no color) | #7E7E7E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757D99
#757D99
oklch(59.3% 0.044 272.5)
- #877E61
#877E61
oklch(59.3% 0.043 92.9)
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 #757D99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.015
- Slate Gray #708090 ΔE 0.020
- Steel #738595 ΔE 0.026
- Grey Blue #647D8E ΔE 0.030
- Light Slate Gray #778899 ΔE 0.032
- Steel Grey #6F828A ΔE 0.033
- Battleship Grey #6B7C85 ΔE 0.035
- Dusty Blue #5A86AD ΔE 0.044
Use #757D99 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.