#64898D
Closest named color: Steel Grey (#6F828A). oklch(60.4% 0.042 204.5), rgb(100, 137, 141).
Aa
Black text reads best on this color (5.50:1).
About this color
#64898D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.042 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.022 away. Black text reads best on it, at 5.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #64898D |
| RGB | rgb(100, 137, 141) |
| HSL | hsl(186, 17%, 47%) |
| OKLCH | oklch(60.4% 0.042 204.5) |
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 #64898D | 3.81:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #64898D | 5.50:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #64898D text on white | 3.81:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #64898D text on black | 5.50:1 | AA | Lc -36.0 | 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
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D1DBDC
oklch(88.4% 0.011 204.1)
-
Step 300
300
#B2C5C7
oklch(81% 0.021 204.4)
-
Step 400
400
#8AA7AA
oklch(70.7% 0.032 204.2)
-
Step 500
500 (this color)
#64898D
oklch(60.4% 0.042 204.5)
-
Step 600
600
#537B80
oklch(55.5% 0.045 205.8)
-
Step 700
700
#43686C
oklch(49.1% 0.043 204.5)
-
Step 800
800
#385558
oklch(42.8% 0.035 204.1)
-
Step 900
900
#304648
oklch(37.7% 0.028 203.1)
-
Step 950
950
#1D292A
oklch(27% 0.017 202.6)
#64898D 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) | #83868D | 0.041 |
| Deuteranopia (no green cones) | #7C808D | 0.039 |
| Tritanopia (no blue cones) | #568C8A | 0.019 |
| Achromatopsia (no color) | #838383 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64898D
#64898D
oklch(60.4% 0.042 204.5)
- #997875
#997875
oklch(60.4% 0.042 24.4)
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 #64898D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.022
- Steel #738595 ΔE 0.027
- Slate Gray #708090 ΔE 0.031
- Light Slate Gray #778899 ΔE 0.033
- Battleship Grey #6B7C85 ΔE 0.036
- Grey Blue #647D8E ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.037
- Medium Grey #7D7F7C ΔE 0.041
Use #64898D 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.