#7B8C8A
Closest named color: Light Slate Gray (#778899). oklch(62.6% 0.02 188.1), rgb(123, 140, 138).
Aa
Black text reads best on this color (5.96:1).
About this color
#7B8C8A is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.029 away. Black text reads best on it, at 5.96:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #7B8C8A |
| RGB | rgb(123, 140, 138) |
| HSL | hsl(173, 7%, 52%) |
| OKLCH | oklch(62.6% 0.02 188.1) |
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 #7B8C8A | 3.52:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #7B8C8A | 5.96:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #7B8C8A text on white | 3.52:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #7B8C8A text on black | 5.96:1 | AA | Lc -38.9 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D5DADA
oklch(88.5% 0.005 197.1)
-
Step 300
300
#BAC3C2
oklch(81% 0.01 189)
-
Step 400
400
#96A4A2
oklch(70.7% 0.016 186.5)
-
Step 500
500 (this color)
#7B8C8A
oklch(62.6% 0.02 188.1)
-
Step 600
600
#667876
oklch(55.7% 0.021 188.4)
-
Step 700
700
#546563
oklch(49.2% 0.021 187.8)
-
Step 800
800
#455251
oklch(42.7% 0.016 190.9)
-
Step 900
900
#3A4443
oklch(37.7% 0.013 189.3)
-
Step 950
950
#222827
oklch(27.1% 0.009 184.6)
#7B8C8A 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) | #8A8A8A | 0.021 |
| Deuteranopia (no green cones) | #87878A | 0.021 |
| Tritanopia (no blue cones) | #778D8B | 0.006 |
| Achromatopsia (no color) | #888888 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B8C8A
#7B8C8A
oklch(62.6% 0.02 188.1)
- #938385
#938385
oklch(62.5% 0.02 9.1)
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 #7B8C8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.029
- Steel #738595 ΔE 0.033
- Gray #808080 ΔE 0.033
- Steel Grey #6F828A ΔE 0.035
- Medium Grey #7D7F7C ΔE 0.036
- Blue Grey #758DA3 ΔE 0.037
- Warm Grey #978A84 ΔE 0.040
- Slate Gray #708090 ΔE 0.043
Use #7B8C8A 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.