#778997
Closest named color: Light Slate Gray (#778899). oklch(62.1% 0.03 241.4), rgb(119, 137, 151).
Aa
Black text reads best on this color (5.80:1).
About this color
#778997 is a medium-light close to neutral grey. In OKLCH its lightness is 62%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.005 away. Black text reads best on it, at 5.80:1.
| Hue family | Neutrals |
| Lightness | medium-light (62%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.80:1 |
| White text | 3.61:1 |
Values
| HEX | #778997 |
| RGB | rgb(119, 137, 151) |
| HSL | hsl(206, 13%, 53%) |
| OKLCH | oklch(62.1% 0.03 241.4) |
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 #778997 | 3.61:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #778997 | 5.80:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #778997 text on white | 3.61:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #778997 text on black | 5.80:1 | AA | Lc -37.9 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#B9C2C9
oklch(80.9% 0.014 241)
-
Step 400
400
#94A3AE
oklch(70.7% 0.023 239.6)
-
Step 500
500 (this color)
#778997
oklch(62.1% 0.03 241.4)
-
Step 600
600
#637685
oklch(55.6% 0.032 242)
-
Step 700
700
#526371
oklch(49.1% 0.031 243.2)
-
Step 800
800
#43515C
oklch(42.7% 0.025 241.9)
-
Step 900
900
#39434B
oklch(37.7% 0.019 242.3)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#778997 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) | #838998 | 0.017 |
| Deuteranopia (no green cones) | #7F8597 | 0.015 |
| Tritanopia (no blue cones) | #6E8C8D | 0.024 |
| Achromatopsia (no color) | #878787 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778997
#778997
oklch(62.1% 0.03 241.4)
- #948374
#948374
oklch(62.1% 0.03 63.7)
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 #778997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.005
- Steel #738595 ΔE 0.013
- Blue Grey #758DA3 ΔE 0.018
- Silver Lake Blue #778DA9 ΔE 0.027
- Steel Grey #6F828A ΔE 0.028
- Slate Gray #708090 ΔE 0.028
- Lavender Gray #7E7F9A ΔE 0.031
- Gray #808080 ΔE 0.036
Use #778997 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.