#678A94
Closest named color: Steel (#738595). oklch(61.1% 0.042 217.3), rgb(103, 138, 148).
Aa
Black text reads best on this color (5.63:1).
About this color
#678A94 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.042 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.020 away. Black text reads best on it, at 5.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #678A94 |
| RGB | rgb(103, 138, 148) |
| HSL | hsl(193, 18%, 49%) |
| OKLCH | oklch(61.1% 0.042 217.3) |
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 #678A94 | 3.72:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #678A94 | 5.63:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #678A94 text on white | 3.72:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #678A94 text on black | 5.63:1 | AA | Lc -36.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D1DBDE
oklch(88.5% 0.012 217.6)
-
Step 300
300
#B3C4C9
oklch(80.9% 0.02 217.3)
-
Step 400
400
#8AA6AE
oklch(70.7% 0.033 216.9)
-
Step 500
500 (this color)
#678A94
oklch(61.1% 0.042 217.3)
-
Step 600
600
#547A85
oklch(55.5% 0.046 217.8)
-
Step 700
700
#456771
oklch(49.2% 0.042 218.2)
-
Step 800
800
#39545C
oklch(42.8% 0.035 218.2)
-
Step 900
900
#31454B
oklch(37.6% 0.027 218.3)
-
Step 950
950
#1D292C
oklch(27.1% 0.017 214.8)
#678A94 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) | #838895 | 0.037 |
| Deuteranopia (no green cones) | #7C8294 | 0.034 |
| Tritanopia (no blue cones) | #588E8D | 0.025 |
| Achromatopsia (no color) | #848484 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678A94
#678A94
oklch(61.1% 0.042 217.3)
- #9B7B72
#9B7B72
oklch(61.1% 0.042 36.2)
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 #678A94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.020
- Light Slate Gray #778899 ΔE 0.023
- Steel Grey #6F828A ΔE 0.024
- Slate Gray #708090 ΔE 0.029
- Blue Grey #758DA3 ΔE 0.031
- Grey Blue #647D8E ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.039
- Battleship Grey #6B7C85 ΔE 0.040
Use #678A94 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.