#758B9D
Closest named color: Light Slate Gray (#778899). oklch(62.6% 0.037 243), rgb(117, 139, 157).
Aa
Black text reads best on this color (5.93:1).
About this color
#758B9D is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.037 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.009 away. Black text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #758B9D |
| RGB | rgb(117, 139, 157) |
| HSL | hsl(207, 17%, 54%) |
| OKLCH | oklch(62.6% 0.037 243) |
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 #758B9D | 3.53:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #758B9D | 5.93:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #758B9D text on white | 3.53:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #758B9D text on black | 5.93:1 | AA | Lc -38.7 | 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 500.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400
#92A3B2
oklch(70.7% 0.029 244.8)
-
Step 500
500 (this color)
#758B9D
oklch(62.6% 0.037 243)
-
Step 600
600
#5F778A
oklch(55.7% 0.041 242.3)
-
Step 700
700
#4E6475
oklch(49.2% 0.038 241.7)
-
Step 800
800
#40515F
oklch(42.6% 0.032 243.4)
-
Step 900
900
#37434E
oklch(37.7% 0.025 246.2)
-
Step 950
950
#20272D
oklch(26.8% 0.015 244.2)
#758B9D 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) | #848B9E | 0.021 |
| Deuteranopia (no green cones) | #7F869D | 0.019 |
| Tritanopia (no blue cones) | #6A8F91 | 0.029 |
| Achromatopsia (no color) | #888888 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #758B9D
#758B9D
oklch(62.6% 0.037 243)
- #998371
#998371
oklch(62.5% 0.038 61.3)
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 #758B9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.009
- Blue Grey #758DA3 ΔE 0.009
- Silver Lake Blue #778DA9 ΔE 0.018
- Steel #738595 ΔE 0.019
- Slate Gray #708090 ΔE 0.034
- Lavender Gray #7E7F9A ΔE 0.034
- Steel Grey #6F828A ΔE 0.035
- Gray #808080 ΔE 0.045
Use #758B9D 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.