#688583
Closest named color: Steel Grey (#6F828A). oklch(59.4% 0.033 191.1), rgb(104, 133, 131).
Aa
Black text reads best on this color (5.27:1).
About this color
#688583 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.033 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.019 away. Black text reads best on it, at 5.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #688583 |
| RGB | rgb(104, 133, 131) |
| HSL | hsl(176, 12%, 46%) |
| OKLCH | oklch(59.4% 0.033 191.1) |
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 #688583 | 3.98:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #688583 | 5.27:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #688583 text on white | 3.98:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #688583 text on black | 5.27:1 | AA | Lc -34.5 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B5C4C3
oklch(80.9% 0.017 192)
-
Step 400
400
#8FA6A4
oklch(70.7% 0.026 190.2)
-
Step 500
500 (this color)
#688583
oklch(59.4% 0.033 191.1)
-
Step 600
600
#5B7A78
oklch(55.5% 0.036 191.2)
-
Step 700
700
#4B6765
oklch(49.1% 0.033 190.6)
-
Step 800
800
#3D5453
oklch(42.7% 0.028 192.8)
-
Step 900
900
#344544
oklch(37.5% 0.022 191.8)
-
Step 950
950
#1F2928
oklch(27.1% 0.014 188.9)
#688583 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) | #828283 | 0.036 |
| Deuteranopia (no green cones) | #7C7E83 | 0.032 |
| Tritanopia (no blue cones) | #5F8784 | 0.011 |
| Achromatopsia (no color) | #7F7F7F | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688583
#688583
oklch(59.4% 0.033 191.1)
- #917779
#917779
oklch(59.5% 0.033 12.9)
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 #688583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.019
- Battleship Grey #6B7C85 ΔE 0.028
- Medium Grey #7D7F7C ΔE 0.031
- Slate Gray #708090 ΔE 0.031
- Steel #738595 ΔE 0.033
- Gray #808080 ΔE 0.034
- Grey Blue #647D8E ΔE 0.034
- Light Slate Gray #778899 ΔE 0.040
Use #688583 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.