#658C8B
Closest named color: Steel Grey (#6F828A). oklch(61.1% 0.043 194.1), rgb(101, 140, 139).
Aa
Black text reads best on this color (5.67:1).
About this color
#658C8B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.043 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.030 away. Black text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #658C8B |
| RGB | rgb(101, 140, 139) |
| HSL | hsl(178, 16%, 47%) |
| OKLCH | oklch(61.1% 0.043 194.1) |
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 #658C8B | 3.69:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #658C8B | 5.67:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #658C8B text on white | 3.69:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #658C8B text on black | 5.67:1 | AA | Lc -37.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D1DCDB
oklch(88.6% 0.012 190.4)
-
Step 300
300
#B2C5C4
oklch(80.9% 0.021 192.9)
-
Step 400
400
#89A8A7
oklch(70.8% 0.034 194)
-
Step 500
500 (this color)
#658C8B
oklch(61.1% 0.043 194.1)
-
Step 600
600
#527C7B
oklch(55.5% 0.047 194)
-
Step 700
700
#426968
oklch(49.2% 0.044 193.7)
-
Step 800
800
#375555
oklch(42.6% 0.036 195.9)
-
Step 900
900
#304646
oklch(37.6% 0.027 196)
-
Step 950
950
#1C2929
oklch(26.9% 0.018 196.1)
#658C8B 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) | #87888B | 0.045 |
| Deuteranopia (no green cones) | #80828B | 0.044 |
| Tritanopia (no blue cones) | #588E8C | 0.015 |
| Achromatopsia (no color) | #858585 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #658C8B
#658C8B
oklch(61.1% 0.043 194.1)
- #9C797B
#9C797B
oklch(61.1% 0.044 14.6)
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 #658C8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.031
- Steel #738595 ΔE 0.034
- Light Slate Gray #778899 ΔE 0.037
- Slate Gray #708090 ΔE 0.040
- Blue Grey #758DA3 ΔE 0.044
- Medium Grey #7D7F7C ΔE 0.044
- Gray #808080 ΔE 0.045
Use #658C8B 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.