#77898B
Closest named color: Light Slate Gray (#778899). oklch(61.6% 0.021 204.8), rgb(119, 137, 139).
Aa
Black text reads best on this color (5.73:1).
About this color
#77898B is a medium-dark close to neutral grey. In OKLCH its lightness is 62%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.023 away. Black text reads best on it, at 5.73:1.
| Hue family | Neutrals |
| Lightness | medium-dark (62%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.73:1 |
| White text | 3.66:1 |
Values
| HEX | #77898B |
| RGB | rgb(119, 137, 139) |
| HSL | hsl(186, 8%, 51%) |
| OKLCH | oklch(61.6% 0.021 204.8) |
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 #77898B | 3.66:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #77898B | 5.73:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #77898B text on white | 3.66:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #77898B text on black | 5.73:1 | AA | Lc -37.5 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#B9C3C4
oklch(81% 0.011 204.1)
-
Step 400
400
#95A4A5
oklch(70.7% 0.017 201.6)
-
Step 500
500 (this color)
#77898B
oklch(61.6% 0.021 204.8)
-
Step 600
600
#64777A
oklch(55.5% 0.023 208.1)
-
Step 700
700
#536466
oklch(49% 0.021 205.2)
-
Step 800
800
#445253
oklch(42.7% 0.018 201.8)
-
Step 900
900
#394445
oklch(37.7% 0.014 203.3)
-
Step 950
950
#222828
oklch(27.1% 0.009 196.7)
#77898B 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) | #86878B | 0.021 |
| Deuteranopia (no green cones) | #82848B | 0.020 |
| Tritanopia (no blue cones) | #718B8A | 0.010 |
| Achromatopsia (no color) | #868686 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77898B
#77898B
oklch(61.6% 0.021 204.8)
- #91807F
#91807F
oklch(61.5% 0.021 21.8)
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 #77898B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.023
- Steel #738595 ΔE 0.023
- Steel Grey #6F828A ΔE 0.024
- Gray #808080 ΔE 0.027
- Medium Grey #7D7F7C ΔE 0.030
- Slate Gray #708090 ΔE 0.032
- Blue Grey #758DA3 ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.042
Use #77898B 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.