#798A9D
Closest named color: Light Slate Gray (#778899). oklch(62.6% 0.035 251.3), rgb(121, 138, 157).
Aa
Black text reads best on this color (5.93:1).
About this color
#798A9D is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.035 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.008 away. Black text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #798A9D |
| RGB | rgb(121, 138, 157) |
| HSL | hsl(212, 16%, 55%) |
| OKLCH | oklch(62.6% 0.035 251.3) |
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 #798A9D | 3.53:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #798A9D | 5.93:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #798A9D text on white | 3.53:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #798A9D text on black | 5.93:1 | AA | Lc -38.7 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D5DADF
oklch(88.6% 0.009 247.9)
-
Step 300
300
#B9C2CC
oklch(81% 0.017 250.9)
-
Step 400
400
#95A2B2
oklch(70.7% 0.028 253.6)
-
Step 500
500 (this color)
#798A9D
oklch(62.6% 0.035 251.3)
-
Step 600
600
#637589
oklch(55.5% 0.038 251.2)
-
Step 700
700
#526274
oklch(49% 0.035 251.6)
-
Step 800
800
#43505F
oklch(42.6% 0.03 252.2)
-
Step 900
900
#39434E
oklch(37.8% 0.023 250.9)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#798A9D 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) | #838A9E | 0.014 |
| Deuteranopia (no green cones) | #7F879D | 0.011 |
| Tritanopia (no blue cones) | #6F8E90 | 0.030 |
| Achromatopsia (no color) | #888888 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #798A9D
#798A9D
oklch(62.6% 0.035 251.3)
- #968572
#968572
oklch(62.7% 0.034 70.2)
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 #798A9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.008
- Blue Grey #758DA3 ΔE 0.011
- Silver Lake Blue #778DA9 ΔE 0.018
- Steel #738595 ΔE 0.019
- Lavender Gray #7E7F9A ΔE 0.030
- Slate Gray #708090 ΔE 0.034
- Steel Grey #6F828A ΔE 0.036
- Gray #808080 ΔE 0.044
Use #798A9D 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.