#648281
Closest named color: Steel Grey (#6F828A). oklch(58.3% 0.034 193.7), rgb(100, 130, 129).
Aa
Black text reads best on this color (5.05:1).
About this color
#648281 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.034 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.021 away. Black text reads best on it, at 5.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #648281 |
| RGB | rgb(100, 130, 129) |
| HSL | hsl(178, 13%, 45%) |
| OKLCH | oklch(58.3% 0.034 193.7) |
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 #648281 | 4.15:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #648281 | 5.05:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #648281 text on white | 4.15:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #648281 text on black | 5.05:1 | AA | Lc -33.1 | 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 600.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B6C4C3
oklch(80.9% 0.015 191.7)
-
Step 400
400
#90A6A5
oklch(70.8% 0.025 193.3)
-
Step 500
500
#74908F
oklch(63.2% 0.032 193.7)
-
Step 600
600 (this color)
#648281
oklch(58.3% 0.034 193.7)
-
Step 700
700
#4C6766
oklch(49.2% 0.032 193.3)
-
Step 800
800
#3E5453
oklch(42.7% 0.027 192.7)
-
Step 900
900
#354545
oklch(37.7% 0.02 196.3)
-
Step 950
950
#1F2928
oklch(27.1% 0.014 188.9)
#648281 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) | #7E7F81 | 0.036 |
| Deuteranopia (no green cones) | #787A81 | 0.034 |
| Tritanopia (no blue cones) | #5B8482 | 0.011 |
| Achromatopsia (no color) | #7C7C7C | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648281
#648281
oklch(58.3% 0.034 193.7)
- #8E7375
#8E7375
oklch(58.2% 0.034 13.2)
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 #648281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.021
- Battleship Grey #6B7C85 ΔE 0.022
- Grey Blue #647D8E ΔE 0.029
- Slate Gray #708090 ΔE 0.031
- Medium Grey #7D7F7C ΔE 0.034
- Battleship Gray #6C757D ΔE 0.037
- Steel #738595 ΔE 0.038
- Gray #808080 ΔE 0.038
Use #648281 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.