#648289
Closest named color: Steel Grey (#6F828A). oklch(58.6% 0.036 213.6), rgb(100, 130, 137).
Aa
Black text reads best on this color (5.09:1).
About this color
#648289 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.036 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.015 away. Black text reads best on it, at 5.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #648289 |
| RGB | rgb(100, 130, 137) |
| HSL | hsl(191, 16%, 46%) |
| OKLCH | oklch(58.6% 0.036 213.6) |
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 #648289 | 4.12:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #648289 | 5.09:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #648289 text on white | 4.12:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #648289 text on black | 5.09:1 | AA | Lc -33.4 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D3DBDD
oklch(88.6% 0.009 214.3)
-
Step 300
300
#B6C4C7
oklch(81% 0.016 212)
-
Step 400
400
#8FA5AA
oklch(70.7% 0.026 213)
-
Step 500
500
#738F96
oklch(63.1% 0.033 214.6)
-
Step 600
600 (this color)
#648289
oklch(58.6% 0.036 213.6)
-
Step 700
700
#4B666C
oklch(49.1% 0.033 212.9)
-
Step 800
800
#3E5358
oklch(42.7% 0.027 213.9)
-
Step 900
900
#354548
oklch(37.8% 0.021 210.3)
-
Step 950
950
#1F282A
oklch(26.9% 0.013 212.7)
#648289 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) | #7C8089 | 0.032 |
| Deuteranopia (no green cones) | #767B89 | 0.030 |
| Tritanopia (no blue cones) | #588584 | 0.020 |
| Achromatopsia (no color) | #7D7D7D | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648289
#648289
oklch(58.6% 0.036 213.6)
- #90756E
#90756E
oklch(58.6% 0.036 34.9)
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 #648289, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.015
- Battleship Grey #6B7C85 ΔE 0.018
- Grey Blue #647D8E ΔE 0.019
- Slate Gray #708090 ΔE 0.021
- Steel #738595 ΔE 0.029
- Medium Grey #7D7F7C ΔE 0.036
- Battleship Gray #6C757D ΔE 0.037
- Gray #808080 ΔE 0.038
Use #648289 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.