#797C91
Closest named color: Slate Gray (#708090). oklch(59.1% 0.032 278.9), rgb(121, 124, 145).
Aa
Black text reads best on this color (5.10:1).
About this color
#797C91 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.032 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.017 away. Black text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #797C91 |
| RGB | rgb(121, 124, 145) |
| HSL | hsl(233, 10%, 52%) |
| OKLCH | oklch(59.1% 0.032 278.9) |
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 #797C91 | 4.11:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #797C91 | 5.10:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #797C91 text on white | 4.11:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #797C91 text on black | 5.10:1 | AA | Lc -33.4 | 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
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D9DE
oklch(88.6% 0.007 277.2)
-
Step 300
300
#BEC0CA
oklch(80.9% 0.014 277)
-
Step 400
400
#9D9FAF
oklch(70.6% 0.023 280.1)
-
Step 500
500
#85889C
oklch(63.1% 0.03 278.7)
-
Step 600
600 (this color)
#797C91
oklch(59.1% 0.032 278.9)
-
Step 700
700
#5D5F72
oklch(49.1% 0.03 280.5)
-
Step 800
800
#4C4E5D
oklch(42.8% 0.025 279.3)
-
Step 900
900
#3F414C
oklch(37.8% 0.019 277.3)
-
Step 950
950
#25262C
oklch(27% 0.011 278.1)
#797C91 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) | #777E92 | 0.006 |
| Deuteranopia (no green cones) | #757C90 | 0.006 |
| Tritanopia (no blue cones) | #748083 | 0.029 |
| Achromatopsia (no color) | #7D7D7D | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #797C91
#797C91
oklch(59.1% 0.032 278.9)
- #827E69
#827E69
oklch(59.1% 0.031 98.3)
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 #797C91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.017
- Lavender Gray #7E7F9A ΔE 0.017
- Steel #738595 ΔE 0.025
- Steel Grey #6F828A ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.029
- Grey Blue #647D8E ΔE 0.030
- Light Slate Gray #778899 ΔE 0.033
- Gray #808080 ΔE 0.033
Use #797C91 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.