#647182
Closest named color: Battleship Gray (#6C757D). oklch(54.4% 0.031 255.2), rgb(100, 113, 130).
Aa
White text reads best on this color (4.96:1).
About this color
#647182 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.031 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.020 away. White text reads best on it, at 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.22:1 |
| White text | 4.96:1 |
Values
| HEX | #647182 |
| RGB | rgb(100, 113, 130) |
| HSL | hsl(214, 13%, 45%) |
| OKLCH | oklch(54.4% 0.031 255.2) |
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 #647182 | 4.96:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #647182 | 4.22:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #647182 text on white | 4.96:1 | AA | Lc 74.4 | Content text, not long reading |
| #647182 text on black | 4.22:1 | AA large text | Lc -27.3 | Dividers and decoration only |
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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DE
oklch(88.4% 0.008 260.7)
-
Step 300
300
#BBC1CA
oklch(80.9% 0.014 258.4)
-
Step 400
400
#98A2AF
oklch(70.8% 0.022 255)
-
Step 500
500
#7E8B9B
oklch(63.2% 0.028 253.7)
-
Step 600
600 (this color)
#647182
oklch(54.4% 0.031 255.2)
-
Step 700
700
#566271
oklch(49.1% 0.028 254.1)
-
Step 800
800
#46505C
oklch(42.7% 0.024 253.1)
-
Step 900
900
#3B424C
oklch(37.7% 0.02 257.3)
-
Step 950
950
#23272C
oklch(27.1% 0.011 254)
#647182 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) | #6B7183 | 0.010 |
| Deuteranopia (no green cones) | #686E82 | 0.010 |
| Tritanopia (no blue cones) | #5C7576 | 0.028 |
| Achromatopsia (no color) | #707070 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647182
#647182
oklch(54.4% 0.031 255.2)
- #7B6E5C
#7B6E5C
oklch(54.5% 0.031 75.9)
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 #647182, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.020
- Metallic Blue #4F738E ΔE 0.030
- Battleship Grey #6B7C85 ΔE 0.034
- Grey Blue #647D8E ΔE 0.035
- Dim Gray #696969 ΔE 0.039
- Stormy Blue #507B9C ΔE 0.046
- Dull Blue #49759C ΔE 0.048
- Slate Gray #708090 ΔE 0.049
Use #647182 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.