#757D9F
Closest named color: Lavender Gray (#7E7F9A). oklch(59.6% 0.053 274.4), rgb(117, 125, 159).
Aa
Black text reads best on this color (5.19:1).
About this color
#757D9F is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.053 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.017 away. Black text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #757D9F |
| RGB | rgb(117, 125, 159) |
| HSL | hsl(229, 18%, 54%) |
| OKLCH | oklch(59.6% 0.053 274.4) |
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 #757D9F | 4.04:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #757D9F | 5.19:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #757D9F text on white | 4.04:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #757D9F text on black | 5.19:1 | AA | Lc -34.0 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D2
oklch(80.9% 0.026 273.4)
-
Step 400
400
#989FBB
oklch(70.6% 0.042 274.2)
-
Step 500
500 (this color)
#757D9F
oklch(59.6% 0.053 274.4)
-
Step 600
600
#697195
oklch(55.6% 0.057 274.7)
-
Step 700
700
#575F7F
oklch(49.1% 0.052 273.5)
-
Step 800
800
#474D68
oklch(42.6% 0.046 274.6)
-
Step 900
900
#3C4054
oklch(37.6% 0.035 275.8)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#757D9F 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) | #7380A1 | 0.008 |
| Deuteranopia (no green cones) | #707D9E | 0.007 |
| Tritanopia (no blue cones) | #6B8388 | 0.047 |
| Achromatopsia (no color) | #7E7E7E | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757D9F
#757D9F
oklch(59.6% 0.053 274.4)
- #897F5B
#897F5B
oklch(59.6% 0.053 94.4)
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 #757D9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.017
- Slate Gray #708090 ΔE 0.029
- Steel #738595 ΔE 0.032
- Light Slate Gray #778899 ΔE 0.036
- Grey Blue #647D8E ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.040
- Steel Grey #6F828A ΔE 0.041
- Off Blue #5684AE ΔE 0.043
Use #757D9F 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.