#678196
Closest named color: Slate Gray (#708090). oklch(59.1% 0.044 242.9), rgb(103, 129, 150).
Aa
Black text reads best on this color (5.15:1).
About this color
#678196 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.044 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.014 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #678196 |
| RGB | rgb(103, 129, 150) |
| HSL | hsl(207, 19%, 50%) |
| OKLCH | oklch(59.1% 0.044 242.9) |
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 #678196 | 4.07:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #678196 | 5.15:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #678196 text on white | 4.07:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #678196 text on black | 5.15:1 | AA | Lc -33.8 | 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 600.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C2CD
oklch(80.8% 0.02 245.7)
-
Step 400
400
#90A3B3
oklch(70.6% 0.032 243.6)
-
Step 500
500
#758DA0
oklch(63.1% 0.04 242.2)
-
Step 600
600 (this color)
#678196
oklch(59.1% 0.044 242.9)
-
Step 700
700
#4D6476
oklch(49.2% 0.04 242.2)
-
Step 800
800
#3F5160
oklch(42.6% 0.034 243.8)
-
Step 900
900
#36434F
oklch(37.6% 0.027 246.4)
-
Step 950
950
#1F282E
oklch(27.1% 0.017 237.4)
#678196 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) | #788197 | 0.023 |
| Deuteranopia (no green cones) | #727C96 | 0.019 |
| Tritanopia (no blue cones) | #598688 | 0.035 |
| Achromatopsia (no color) | #7E7E7E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678196
#678196
oklch(59.1% 0.044 242.9)
- #917863
#917863
oklch(59.1% 0.044 61.8)
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 #678196, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.014
- Grey Blue #647D8E ΔE 0.016
- Steel #738595 ΔE 0.021
- Steel Grey #6F828A ΔE 0.022
- Battleship Grey #6B7C85 ΔE 0.026
- Light Slate Gray #778899 ΔE 0.031
- Lavender Gray #7E7F9A ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.036
Use #678196 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.