#778C98
Closest named color: Light Slate Gray (#778899). oklch(62.8% 0.03 233), rgb(119, 140, 152).
Aa
Black text reads best on this color (5.98:1).
About this color
#778C98 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.030 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.012 away. Black text reads best on it, at 5.98:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.98:1 |
| White text | 3.50:1 |
Values
| HEX | #778C98 |
| RGB | rgb(119, 140, 152) |
| HSL | hsl(202, 14%, 53%) |
| OKLCH | oklch(62.8% 0.03 233) |
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 #778C98 | 3.50:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #778C98 | 5.98:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #778C98 text on white | 3.50:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #778C98 text on black | 5.98:1 | AA | Lc -39.0 | 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
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2C9
oklch(80.8% 0.015 238.1)
-
Step 400
400
#93A3AD
oklch(70.6% 0.023 235.2)
-
Step 500
500 (this color)
#778C98
oklch(62.8% 0.03 233)
-
Step 600
600
#617784
oklch(55.6% 0.033 234.1)
-
Step 700
700
#50646F
oklch(49.1% 0.03 232.2)
-
Step 800
800
#42525B
oklch(42.8% 0.025 232.8)
-
Step 900
900
#37444A
oklch(37.7% 0.02 227.5)
-
Step 950
950
#21282C
oklch(27.2% 0.012 232.9)
#778C98 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) | #868B99 | 0.021 |
| Deuteranopia (no green cones) | #828798 | 0.020 |
| Tritanopia (no blue cones) | #6E8F90 | 0.021 |
| Achromatopsia (no color) | #898989 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778C98
#778C98
oklch(62.8% 0.03 233)
- #988478
#988478
oklch(62.8% 0.03 52.9)
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 #778C98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.012
- Blue Grey #758DA3 ΔE 0.016
- Steel #738595 ΔE 0.021
- Silver Lake Blue #778DA9 ΔE 0.025
- Steel Grey #6F828A ΔE 0.034
- Slate Gray #708090 ΔE 0.036
- Lavender Gray #7E7F9A ΔE 0.039
- Gray #808080 ΔE 0.041
Use #778C98 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.